Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 2379:dca5221215af
Regenerated.
author | Maxim Konovalov <maxim@nginx.com> |
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date | Thu, 09 May 2019 15:41:51 +0000 |
parents | 994207cf96da |
children | 7e1af2148946 |
rev | line source |
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222
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
292 | 10 <module name="Модуль ngx_http_upstream_module" |
135
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11 link="/ru/docs/http/ngx_http_upstream_module.html" |
589 | 12 lang="ru" |
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13 rev="79"> |
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14 |
110
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15 <section id="summary"> |
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16 |
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17 <para> |
292 | 18 Модуль <literal>ngx_http_upstream_module</literal> |
19 позволяет описывать группы серверов, | |
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20 которые могут использоваться в директивах |
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21 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>, |
1181 | 22 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>, |
1194 | 23 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>, |
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24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/>, |
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/> и |
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26 <link doc="ngx_http_grpc_module.xml" id="grpc_pass"/>. |
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27 </para> |
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28 |
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29 </section> |
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30 |
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31 |
292 | 32 <section id="example" name="Пример конфигурации"> |
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33 |
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34 <para> |
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35 <example> |
292 | 36 upstream <emphasis>backend</emphasis> { |
37 server backend1.example.com weight=5; | |
38 server backend2.example.com:8080; | |
39 server unix:/tmp/backend3; | |
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40 |
292 | 41 server backup1.example.com:8080 backup; |
42 server backup2.example.com:8080 backup; | |
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43 } |
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44 |
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45 server { |
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46 location / { |
292 | 47 proxy_pass http://<emphasis>backend</emphasis>; |
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48 } |
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49 } |
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50 </example> |
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51 </para> |
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52 |
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53 <para> |
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54 Динамически настраиваемая группа |
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55 с периодическими |
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56 <link doc="ngx_http_upstream_hc_module.xml">проверками работоспособности</link> |
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57 доступна как часть |
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58 <commercial_version>коммерческой подписки</commercial_version>: |
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59 <example> |
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60 resolver 10.0.0.1; |
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61 |
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62 upstream <emphasis>dynamic</emphasis> { |
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63 zone upstream_dynamic 64k; |
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64 |
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65 server backend1.example.com weight=5; |
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66 server backend2.example.com:8080 fail_timeout=5s slow_start=30s; |
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67 server 192.0.2.1 max_fails=3; |
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68 server backend3.example.com resolve; |
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69 server backend4.example.com service=http resolve; |
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70 |
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71 server backup1.example.com:8080 backup; |
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72 server backup2.example.com:8080 backup; |
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73 } |
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74 |
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75 server { |
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76 location / { |
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77 proxy_pass http://<emphasis>dynamic</emphasis>; |
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78 health_check; |
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79 } |
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80 } |
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81 </example> |
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82 </para> |
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83 |
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84 </section> |
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85 |
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86 |
292 | 87 <section id="directives" name="Директивы"> |
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88 |
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89 <directive name="upstream"> |
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90 <syntax block="yes"><value>название</value></syntax> |
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91 <default/> |
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92 <context>http</context> |
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93 |
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94 <para> |
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95 Описывает группу серверов. |
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96 Серверы могут слушать на разных портах. |
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97 Кроме того, можно одновременно использовать серверы, |
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98 слушающие на TCP- и UNIX-сокетах. |
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99 </para> |
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100 |
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101 <para> |
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102 Пример: |
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103 <example> |
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104 upstream backend { |
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105 server backend1.example.com weight=5; |
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106 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s; |
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107 server unix:/tmp/backend3; |
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108 |
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109 server backup1.example.com backup; |
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110 } |
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111 </example> |
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112 </para> |
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113 |
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114 <para> |
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115 По умолчанию запросы распределяются по серверам циклически |
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116 (в режиме round-robin) с учётом весов серверов. |
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117 В вышеприведённом примере каждые 7 запросов будут распределены так: |
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118 5 запросов на <literal>backend1.example.com</literal> |
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119 и по одному запросу на второй и третий серверы. |
966 | 120 Если при попытке работы с сервером происходит ошибка, то запрос |
121 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы | |
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122 все работающие серверы. |
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123 Если не удастся получить успешный ответ |
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124 ни от одного из серверов, то клиенту будет возвращён результат работы |
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125 с последним сервером. |
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126 </para> |
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127 |
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128 </directive> |
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129 |
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130 |
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131 <directive name="server"> |
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132 <syntax><value>адрес</value> [<value>параметры</value>]</syntax> |
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133 <default/> |
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134 <context>upstream</context> |
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135 |
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136 <para> |
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137 Задаёт <value>адрес</value> и другие <value>параметры</value> |
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138 сервера. |
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139 Адрес может быть указан в виде доменного имени или IP-адреса, |
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140 и необязательного порта, или в виде пути UNIX-сокета, который |
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141 указывается после префикса “<literal>unix:</literal>”. |
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142 Если порт не указан, используется порт 80. |
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143 Доменное имя, которому соответствует несколько IP-адресов, |
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144 задаёт сразу несколько серверов. |
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145 </para> |
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146 |
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147 <para> |
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148 Могут быть заданы следующие параметры: |
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149 <list type="tag"> |
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150 |
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151 <tag-name id="weight"> |
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152 <literal>weight</literal>=<value>число</value> |
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153 </tag-name> |
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154 <tag-desc> |
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155 задаёт вес сервера, по умолчанию 1. |
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156 </tag-desc> |
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157 |
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158 <tag-name id="max_conns"> |
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159 <literal>max_conns</literal>=<value>число</value> |
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160 </tag-name> |
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161 <tag-desc> |
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162 ограничивает максимальное <value>число</value> одновременных активных |
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163 соединений к проксируемому серверу (1.11.5). |
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164 Значение по умолчанию равно 0 и означает, что ограничения нет. |
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165 Если группа не находится в <link id="zone">зоне разделяемой памяти</link>, |
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166 то ограничение работает отдельно для каждого рабочего процесса. |
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167 <note> |
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168 При включённых <link id="keepalive">неактивных постоянных</link> соединениях, |
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169 нескольких |
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170 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link> |
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171 и <link id="zone">зоне разделяемой памяти</link>, |
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172 суммарное число активных и неактивных соединений с проксируемым сервером |
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173 может превышать значение <literal>max_conns</literal>. |
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174 </note> |
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175 <note> |
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176 Начиная с версии 1.5.9 и до версии 1.11.5 |
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177 этот параметр был доступен как часть |
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178 <commercial_version>коммерческой подписки</commercial_version>. |
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179 </note> |
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180 </tag-desc> |
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181 |
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182 <tag-name id="max_fails"> |
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183 <literal>max_fails</literal>=<value>число</value> |
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184 </tag-name> |
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185 <tag-desc> |
966 | 186 задаёт число неудачных попыток работы с сервером, которые должны произойти |
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187 в течение времени, заданного параметром <literal>fail_timeout</literal>, |
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188 чтобы сервер считался недоступным на период времени, также заданный |
966 | 189 параметром <literal>fail_timeout</literal>. |
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190 По умолчанию число попыток устанавливается равным 1. |
966 | 191 Нулевое значение отключает учёт попыток. |
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192 Что считается неудачной попыткой, определяется директивами |
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193 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>, |
1181 | 194 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>, |
1194 | 195 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>, |
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196 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/>, |
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197 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/> и |
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198 <link doc="ngx_http_grpc_module.xml" id="grpc_next_upstream"/>. |
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199 </tag-desc> |
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200 |
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201 <tag-name id="fail_timeout"> |
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202 <literal>fail_timeout</literal>=<value>время</value> |
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203 </tag-name> |
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204 <tag-desc> |
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205 задаёт |
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206 <list type="bullet"> |
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207 |
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208 <listitem> |
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209 время, в течение которого должно произойти заданное число неудачных |
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210 попыток работы с сервером для того, чтобы сервер считался недоступным; |
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211 </listitem> |
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212 |
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213 <listitem> |
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214 и время, в течение которого сервер будет считаться недоступным. |
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215 </listitem> |
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216 |
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217 </list> |
966 | 218 По умолчанию параметр равен 10 секундам. |
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219 </tag-desc> |
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220 |
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221 <tag-name id="backup"> |
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222 <literal>backup</literal> |
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223 </tag-name> |
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224 <tag-desc> |
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225 помечает сервер как запасной сервер. |
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226 На него будут передаваться запросы в случае, если не работают основные серверы. |
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227 </tag-desc> |
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228 |
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229 <tag-name id="down"> |
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230 <literal>down</literal> |
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231 </tag-name> |
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232 <tag-desc> |
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233 помечает сервер как постоянно недоступный. |
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234 </tag-desc> |
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235 |
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236 </list> |
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237 </para> |
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238 |
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239 <para> |
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240 Кроме того, |
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241 следующие параметры доступны как часть |
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242 <commercial_version>коммерческой подписки</commercial_version>: |
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243 <list type="tag"> |
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244 |
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245 <tag-name id="resolve"> |
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246 <literal>resolve</literal> |
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247 </tag-name> |
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248 <tag-desc> |
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249 отслеживает изменения IP-адресов, соответствующих доменному имени сервера, |
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250 и автоматически изменяет конфигурацию группы |
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251 без необходимости перезапуска nginx (1.5.12). |
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252 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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253 <para> |
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254 Для работы этого параметра |
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255 директива <link doc="ngx_http_core_module.xml" id="resolver"/> |
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256 должна быть задана в блоке |
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257 <link doc="ngx_http_core_module.xml" id="http"/>. |
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258 Пример: |
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259 <example> |
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260 http { |
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261 resolver 10.0.0.1; |
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262 |
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263 upstream u { |
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264 zone ...; |
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265 ... |
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266 server example.com resolve; |
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267 } |
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268 } |
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269 </example> |
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270 </para> |
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271 </tag-desc> |
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272 |
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273 <tag-name id="route"> |
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274 <literal>route</literal>=<value>строка</value> |
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275 </tag-name> |
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276 <tag-desc> |
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277 задаёт имя маршрута к серверу. |
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278 </tag-desc> |
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279 |
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280 <tag-name id="service"> |
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281 <literal>service</literal>=<value>имя</value> |
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282 </tag-name> |
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283 <tag-desc> |
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284 включает преобразование |
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285 <link url="https://tools.ietf.org/html/rfc2782">SRV</link>-записей |
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286 DNS и задаёт <value>имя</value> сервиса (1.9.13). |
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287 Для работы параметра необходимо указать |
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288 параметр <link id="resolve"/> для сервера |
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289 и не указывать порт сервера. |
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290 <para> |
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291 Если имя сервиса не содержит точку (“<literal>.</literal>”), то |
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292 имя составляется в соответствии с |
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293 <link url="https://tools.ietf.org/html/rfc2782">RFC</link> |
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294 и в префикс службы добавляется протокол TCP. |
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295 Например, для получения |
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296 SRV-записи <literal>_http._tcp.backend.example.com</literal> |
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297 необходимо указать директиву: |
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298 <example> |
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299 server backend.example.com service=http resolve; |
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300 </example> |
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301 Если имя сервиса содержит одну и более точек, то имя составляется |
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302 при помощи соединения префикса службы и имени сервера. |
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303 Например, для получения SRV-записей |
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304 <literal>_http._tcp.backend.example.com</literal> |
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305 и <literal>server1.backend.example.com</literal> |
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306 необходимо указать директивы: |
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307 <example> |
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308 server backend.example.com service=_http._tcp resolve; |
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309 server example.com service=server1.backend resolve; |
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310 </example> |
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311 </para> |
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312 |
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313 <para> |
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314 SRV-записи с наивысшим приоритетом |
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315 (записи с одинаковым наименьшим значением приоритета) |
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316 преобразуются в основные серверы, |
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317 остальные SRV-записи преобразуются в запасные серверы. |
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318 Если в конфигурации сервера указан параметр <link id="backup"/>, |
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319 высокоприоритетные SRV-записи преобразуются в запасные серверы, |
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320 остальные SRV-записи игнорируются. |
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321 </para> |
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322 </tag-desc> |
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323 |
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324 <tag-name id="slow_start"> |
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325 <literal>slow_start</literal>=<value>время</value> |
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326 </tag-name> |
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327 <tag-desc> |
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328 задаёт <value>время</value>, в течение которого вес сервера |
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329 восстановится от нуля до своего номинального значения в ситуации, когда |
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330 неработоспособный (unhealthy) сервер вновь становится работоспособным |
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331 (<link doc="ngx_http_upstream_hc_module.xml" id="health_check">healthy</link>) |
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332 или когда сервер становится доступным по прошествии времени, |
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333 в течение которого он считался <link id="fail_timeout">недоступным</link>. |
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334 Значение по умолчанию равно нулю и означает, что медленный старт выключен. |
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335 <note> |
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336 Параметр нельзя использовать совместно с |
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337 методами балансировки нагрузки <link id="hash"/> и <link id="ip_hash"/>. |
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338 </note> |
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339 </tag-desc> |
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340 |
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341 <tag-name id="drain"> |
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342 <literal>drain</literal> |
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343 </tag-name> |
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344 <tag-desc> |
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345 переводит сервер в режим “draining” (1.13.6). |
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346 В этом режиме на сервер будут проксироваться только |
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347 <link id="sticky">привязанные</link> к нему запросы. |
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348 <note> |
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349 До версии 1.13.6 |
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350 параметр мог быть изменён только при помощи |
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351 модуля <link doc="ngx_http_api_module.xml">API</link>. |
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352 </note> |
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353 </tag-desc> |
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354 |
533
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355 </list> |
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356 </para> |
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357 |
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358 <para> |
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359 <note> |
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360 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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361 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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362 игнорируются и такой сервер никогда не будет считаться недоступным. |
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363 </note> |
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364 </para> |
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365 |
533
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366 </directive> |
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367 |
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368 |
1123
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369 <directive name="zone"> |
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370 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
1123
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371 <default/> |
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372 <context>upstream</context> |
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373 <appeared-in>1.9.0</appeared-in> |
1123
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374 |
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375 <para> |
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376 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
1243
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377 в которой хранятся конфигурация группы и её рабочее состояние, |
1123
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378 разделяемые между рабочими процессами. |
1495
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379 В одной и той же зоне могут быть сразу несколько групп. |
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380 В этом случае достаточно указать <value>размер</value> только один раз. |
1461
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381 </para> |
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382 |
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383 <para> |
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384 Дополнительно, как часть |
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385 <commercial_version>коммерческой подписки</commercial_version>, |
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|
386 в таких группах для изменения состава группы |
1243
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387 или настроек отдельных серверов |
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388 нет необходимости перезапускать nginx. |
2097
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389 Конфигурация доступна через |
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390 модуль <link doc="ngx_http_api_module.xml">API</link> (1.13.3). |
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391 <note> |
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392 До версии 1.13.3 |
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393 конфигурация была доступна только через специальный location, |
1450
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|
394 в котором указана директива |
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395 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
2097
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396 </note> |
1123
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397 </para> |
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398 |
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399 </directive> |
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400 |
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|
401 |
1636
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402 <directive name="state"> |
1720
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403 <syntax><value>файл</value></syntax> |
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404 <default/> |
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405 <context>upstream</context> |
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406 <appeared-in>1.9.7</appeared-in> |
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|
407 |
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|
408 <para> |
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409 Задаёт <value>файл</value>, в котором хранится состояние |
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410 динамически настраиваемой группы. |
1809
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411 </para> |
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412 |
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413 <para> |
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|
414 Примеры: |
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|
415 <example> |
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|
416 state /var/lib/nginx/state/servers.conf; # путь для Linux |
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|
417 state /var/db/nginx/state/servers.conf; # путь для FreeBSD |
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418 </example> |
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419 </para> |
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|
420 |
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|
421 <para> |
1636
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|
422 В данный момент состояние ограничено списком серверов с их параметрами. |
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|
423 Файл читается при парсинге конфигурации и обновляется каждый раз при |
2222
0974dc0a6209
Changed link from upstream_conf to api in "state".
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changeset
|
424 <link doc="ngx_http_api_module.xml" id="http_upstreams_http_upstream_name_servers_">изменении</link> |
1636
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|
425 конфигурации группы. |
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|
426 Изменение содержимого файла напрямую не рекомендуется. |
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|
427 Директиву нельзя использовать |
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|
428 совместно с директивой <link id="server"/>. |
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|
429 </para> |
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|
430 |
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|
431 <para> |
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|
432 <note> |
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|
433 Изменения, совершённые в момент |
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|
434 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link> |
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|
435 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>, |
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|
436 могут быть потеряны. |
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|
437 </note> |
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|
438 </para> |
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|
439 |
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|
440 <para> |
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|
441 <note> |
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|
442 Эта директива доступна как часть |
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|
443 <commercial_version>коммерческой подписки</commercial_version>. |
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|
444 </note> |
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|
445 </para> |
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|
446 |
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|
447 </directive> |
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|
448 |
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|
449 |
1230
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|
450 <directive name="hash"> |
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451 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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|
452 <default/> |
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453 <context>upstream</context> |
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|
454 <appeared-in>1.7.2</appeared-in> |
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|
455 |
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|
456 <para> |
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|
457 Задаёт метод балансировки нагрузки для группы, при котором |
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changeset
|
458 соответствие клиента серверу определяется при помощи |
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Upstream: added the "hash" directive.
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diff
changeset
|
459 хэшированного значения <value>ключа</value>. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
460 В качестве <value>ключа</value> может использоваться |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
461 текст, переменные и их комбинации. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
462 Следует отметить, что любое добавление или удаление серверов в группе |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
463 может привести к перераспределению большинства ключей на другие серверы. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
464 Метод совместим с библиотекой Perl |
2275
d93c8c32df75
Updated links to CPAN search interface.
Sergey Kandaurov <pluknet@nginx.com>
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2274
diff
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|
465 <link url="https://metacpan.org/pod/Cache::Memcached">Cache::Memcached</link>. |
1230
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diff
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|
466 </para> |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
467 |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
468 <para> |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
469 Если задан параметр <literal>consistent</literal>, то вместо |
6cc809881694
Upstream: added the "hash" directive.
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parents:
1194
diff
changeset
|
470 вышеописанного метода будет использоваться метод консистентного хэширования |
2274
e28e3d0f0d20
Updated link in the "hash" directive.
Sergey Kandaurov <pluknet@nginx.com>
parents:
2230
diff
changeset
|
471 <link url="https://www.metabrew.com/article/libketama-consistent-hashing-algo-memcached-clients">ketama</link>. |
1230
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
472 Метод гарантирует, что при добавлении сервера в группу или его удалении |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1194
diff
changeset
|
473 на другие серверы будет перераспределено минимальное число ключей. |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
474 Применение метода для кэширующих серверов обеспечивает |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1194
diff
changeset
|
475 больший процент попаданий в кэш. |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1194
diff
changeset
|
476 Метод совместим с библиотекой Perl |
2275
d93c8c32df75
Updated links to CPAN search interface.
Sergey Kandaurov <pluknet@nginx.com>
parents:
2274
diff
changeset
|
477 <link url="https://metacpan.org/pod/Cache::Memcached::Fast">Cache::Memcached::Fast</link> |
1230
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Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
478 при значении параметра <value>ketama_points</value> равным 160. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
479 </para> |
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Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
480 |
6cc809881694
Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
481 </directive> |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
482 |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
483 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
484 <directive name="ip_hash"> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents:
99
diff
changeset
|
485 <syntax/> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
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79
diff
changeset
|
486 <default/> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
487 <context>upstream</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
488 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
489 <para> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
490 Задаёт для группы метод балансировки нагрузки, при котором запросы |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
491 распределяются по серверам на основе IP-адресов клиентов. |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
492 В качестве ключа для хэширования используются первые три |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents:
533
diff
changeset
|
493 октета IPv4-адреса клиента или IPv6-адрес клиента целиком. |
292 | 494 Метод гарантирует, что запросы одного и того же клиента |
495 будут всегда передаваться на один и тот же сервер. | |
1240
019f8273ee24
Upstream: translated the missing parts of the "server" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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1238
diff
changeset
|
496 Если же этот сервер будет считаться недоступным, |
292 | 497 то запросы этого клиента будут передаваться на другой сервер. |
498 С большой долей вероятности это также будет один и тот же сервер. | |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents:
533
diff
changeset
|
499 <note> |
566 | 500 IPv6-адреса поддерживаются начиная с версий 1.3.2 и 1.2.2. |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents:
533
diff
changeset
|
501 </note> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
502 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
503 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
504 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
505 Если один из серверов нужно убрать на некоторое время, то для сохранения |
292 | 506 текущего хэширования IP-адресов клиентов этот сервер нужно пометить |
507 параметром <literal>down</literal>. | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
508 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
509 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
510 <para> |
292 | 511 Пример: |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
512 <example> |
292 | 513 upstream backend { |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
514 ip_hash; |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
515 |
292 | 516 server backend1.example.com; |
517 server backend2.example.com; | |
518 server backend3.example.com <emphasis>down</emphasis>; | |
519 server backend4.example.com; | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
520 } |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
521 </example> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
522 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
523 |
526
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
524 <para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
525 <note> |
566 | 526 До версий 1.3.1 и 1.2.2 для серверов, использующих метод балансировки нагрузки |
526
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
527 <literal>ip_hash</literal>, нельзя было задать вес. |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
528 </note> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
529 </para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
530 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
531 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
532 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
533 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
534 <directive name="keepalive"> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
535 <syntax><value>соединения</value></syntax> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
536 <default/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
537 <context>upstream</context> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
538 <appeared-in>1.1.4</appeared-in> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
539 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
540 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
541 Задействует кэш соединений для группы серверов. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
542 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
543 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
544 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
545 Параметр <value>соединения</value> устанавливает максимальное число |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
546 неактивных постоянных соединений с серверами группы, которые будут |
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
547 сохраняться в кэше каждого рабочего процесса. |
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
548 При превышении этого числа наиболее давно не используемые соединения |
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
549 закрываются. |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
550 <note> |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
551 Следует особо отметить, что директива <literal>keepalive</literal> |
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
552 не ограничивает общее число соединений с серверами группы, которые |
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
553 рабочие процессы nginx могут открыть. |
966 | 554 Параметр <value>соединения</value> следует устанавливать достаточно |
555 консервативно, чтобы серверы группы по-прежнему могли обрабатывать | |
556 новые входящие соединения. | |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
557 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
558 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
559 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
560 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
561 Пример конфигурации группы серверов memcached с постоянными соединениями: |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
562 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
563 upstream memcached_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
564 server 127.0.0.1:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
565 server 10.0.0.2:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
566 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
567 keepalive 32; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
568 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
569 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
570 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
571 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
572 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
573 location /memcached/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
574 set $memcached_key $uri; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
575 memcached_pass memcached_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
576 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
577 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
578 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
579 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
580 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
581 |
1fb1c077658b
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|
582 <para> |
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diff
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|
583 Для HTTP директиву |
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|
584 <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
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diff
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|
585 следует установить в “<literal>1.1</literal>”, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
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diff
changeset
|
586 а поле заголовка <header>Connection</header> — очистить: |
316
1fb1c077658b
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diff
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|
587 <example> |
1fb1c077658b
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diff
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|
588 upstream http_backend { |
1fb1c077658b
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diff
changeset
|
589 server 127.0.0.1:8080; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
590 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
591 keepalive 16; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
592 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
593 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
594 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
595 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
596 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
597 location /http/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
598 proxy_pass http://http_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
599 proxy_http_version 1.1; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
600 proxy_set_header Connection ""; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
601 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
602 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
603 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
604 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
605 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
606 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
607 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
608 <note> |
1fb1c077658b
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diff
changeset
|
609 Хоть это и не рекомендуется, но также возможно использование постоянных |
966 | 610 соединений с HTTP/1.0, путём передачи поля заголовка |
316
1fb1c077658b
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diff
changeset
|
611 <header>Connection: Keep-Alive</header> серверу группы. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
612 </note> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
613 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
614 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
615 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
616 Для работы постоянных соединений с FastCGI-серверами потребуется |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
617 включить директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
618 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>: |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
619 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
620 upstream fastcgi_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
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diff
changeset
|
621 server 127.0.0.1:9000; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
622 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
623 keepalive 8; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
624 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
625 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
626 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
627 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
628 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
629 location /fastcgi/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
630 fastcgi_pass fastcgi_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
631 fastcgi_keep_conn on; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
632 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
633 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
634 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
635 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
636 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
637 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
638 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
639 <note> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
640 При использовании методов балансировки нагрузки, отличных |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
641 от стандартного round-robin, следует активировать их до |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
642 директивы <literal>keepalive</literal>. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
643 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
644 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
645 <note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
646 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
647 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
648 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
649 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
650 </directive> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
651 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
652 |
2223
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
653 <directive name="keepalive_requests"> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
654 <syntax><value>число</value></syntax> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
655 <default>100</default> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
656 <context>upstream</context> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
657 <appeared-in>1.15.3</appeared-in> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
658 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
659 <para> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
660 Задаёт максимальное число запросов, которые можно |
2225
e2c3d17d0f58
Unified wording of upstream keepalive directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2223
diff
changeset
|
661 сделать по одному постоянному соединению. |
2223
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
662 После того как сделано максимальное число запросов, |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
663 соединение закрывается. |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
2222
diff
changeset
|
664 </para> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
665 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
666 </directive> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
667 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
668 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
669 <directive name="keepalive_timeout"> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
670 <syntax><value>таймаут</value></syntax> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
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parents:
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diff
changeset
|
671 <default>60s</default> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
672 <context>upstream</context> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
673 <appeared-in>1.15.3</appeared-in> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
674 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
675 <para> |
2225
e2c3d17d0f58
Unified wording of upstream keepalive directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2223
diff
changeset
|
676 Задаёт таймаут, в течение которого неактивное постоянное |
2223
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
677 соединение с сервером группы не будет закрыто. |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
678 </para> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
679 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
680 </directive> |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
681 |
a692df6ef304
Added upstream keepalive_timeout and keepalive_requests.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2222
diff
changeset
|
682 |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
683 <directive name="ntlm"> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
684 <syntax/> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
685 <default/> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
686 <context>upstream</context> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
1544
diff
changeset
|
687 <appeared-in>1.9.2</appeared-in> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
688 |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
689 <para> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
690 Позволяет проксировать запросы с |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
691 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
692 подлинности NTLM</link>. |
1587
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
693 Соединение с сервером группы привязывается к клиентскому соединению |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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|
694 как только клиент отправляет запрос, в заголовке которого есть поле |
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|
695 <header>Authorization</header> со значением, |
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diff
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|
696 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”. |
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|
697 Последующие запросы клиента будут проксироваться через это же соединение |
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|
698 с сервером группы, |
ed420c318557
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|
699 сохраняя контекст аутентификации. |
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|
700 </para> |
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|
701 |
ed420c318557
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|
702 <para> |
1587
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diff
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|
703 Для работы проверки подлинности NTLM |
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Added keepalive info for ntlm.
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diff
changeset
|
704 необходимо разрешить постоянные соединения с серверами группы. |
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|
705 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
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Added keepalive info for ntlm.
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parents:
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diff
changeset
|
706 следует установить в “<literal>1.1</literal>”, |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
707 а поле заголовка <header>Connection</header> — очистить: |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
708 <example> |
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Added keepalive info for ntlm.
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diff
changeset
|
709 upstream http_backend { |
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Added keepalive info for ntlm.
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parents:
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diff
changeset
|
710 server 127.0.0.1:8080; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
711 |
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diff
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|
712 ntlm; |
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diff
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|
713 } |
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diff
changeset
|
714 |
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diff
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|
715 server { |
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parents:
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diff
changeset
|
716 ... |
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parents:
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diff
changeset
|
717 |
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parents:
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diff
changeset
|
718 location /http/ { |
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Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
719 proxy_pass http://http_backend; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
720 proxy_http_version 1.1; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
721 proxy_set_header Connection ""; |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
722 ... |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
723 } |
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Added keepalive info for ntlm.
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parents:
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changeset
|
724 } |
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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|
725 </example> |
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parents:
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diff
changeset
|
726 </para> |
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parents:
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diff
changeset
|
727 |
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diff
changeset
|
728 <para> |
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
729 <note> |
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Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
730 При использовании методов балансировки нагрузки, отличных |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
731 от стандартного round-robin, следует активировать их до |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
732 директивы <literal>ntlm</literal>. |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
733 </note> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
734 </para> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
735 |
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Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
736 <para> |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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|
737 <note> |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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changeset
|
738 Эта директива доступна как часть |
ed420c318557
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parents:
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diff
changeset
|
739 <commercial_version>коммерческой подписки</commercial_version>. |
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|
740 </note> |
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Updated docs for the upcoming NGINX Plus release.
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|
741 </para> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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|
742 |
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|
743 </directive> |
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diff
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|
744 |
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parents:
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diff
changeset
|
745 |
1125
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
746 <directive name="least_conn"> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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|
747 <syntax/> |
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Upstream: reallocated the "queue" directive.
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|
748 <default/> |
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Upstream: reallocated the "queue" directive.
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diff
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|
749 <context>upstream</context> |
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Upstream: reallocated the "queue" directive.
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changeset
|
750 <appeared-in>1.3.1</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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changeset
|
751 <appeared-in>1.2.2</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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parents:
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diff
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|
752 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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parents:
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diff
changeset
|
753 <para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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diff
changeset
|
754 Задаёт для группы метод балансировки нагрузки, при котором запрос |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
755 передаётся серверу с наименьшим числом активных соединений, |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
756 с учётом весов серверов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
757 Если подходит сразу несколько серверов, они выбираются циклически |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
758 (в режиме round-robin) с учётом их весов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
759 </para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
760 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
761 </directive> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
762 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
763 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
764 <directive name="least_time"> |
1925
a58b35cc0823
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diff
changeset
|
765 <syntax> |
a58b35cc0823
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diff
changeset
|
766 <literal>header</literal> | |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
1891
diff
changeset
|
767 <literal>last_byte</literal> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
768 [<literal>inflight</literal>]</syntax> |
1450
f5b5eefc43cb
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parents:
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diff
changeset
|
769 <default/> |
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Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
770 <context>upstream</context> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
771 <appeared-in>1.7.10</appeared-in> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
772 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
773 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
774 Задаёт для группы метод балансировки нагрузки, при котором запрос |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
775 передаётся серверу с наименьшими средним временем ответа и |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
776 числом активных соединений с учётом весов серверов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
777 Если подходит сразу несколько серверов, то они выбираются циклически |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
778 (в режиме round-robin) с учётом их весов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
779 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
780 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
781 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
782 Если указан параметр <literal>header</literal>, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
783 то учитывается время получения |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
784 <link id="var_upstream_header_time">заголовка ответа</link>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
785 Если указан параметр <literal>last_byte</literal>, то учитывается |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
786 время получения <link id="var_upstream_response_time">всего ответа</link>. |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
787 Если указан параметр <literal>inflight</literal> (1.11.6), |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
788 то также учитываются незавершённые запросы. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
789 <note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
790 До версии 1.11.6 незавершённые запросы учитывались по умолчанию. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
791 </note> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
792 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
793 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
794 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
795 <note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
796 Эта директива доступна как часть |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
797 <commercial_version>коммерческой подписки</commercial_version>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
798 </note> |
f5b5eefc43cb
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Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
799 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
800 |
f5b5eefc43cb
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parents:
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diff
changeset
|
801 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
802 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
803 |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
804 <directive name="queue"> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
805 <syntax> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
806 <value>число</value> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
807 [<literal>timeout</literal>=<value>время</value>]</syntax> |
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Upstream: documented the "queue" directive.
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parents:
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diff
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|
808 <default/> |
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Upstream: documented the "queue" directive.
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diff
changeset
|
809 <context>upstream</context> |
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Upstream: documented the "queue" directive.
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diff
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|
810 <appeared-in>1.5.12</appeared-in> |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
811 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
812 <para> |
1818
574c44d14837
Removed the "max_conns" condition from the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
813 Если при обработке запроса невозможно сразу выбрать сервер группы, то |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
814 запрос будет помещён в очередь. |
2067
014323d0cc38
Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2062
diff
changeset
|
815 Директива задаёт максимальное <value>число</value> запросов, |
014323d0cc38
Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2062
diff
changeset
|
816 которые могут одновременно находиться в очереди. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
817 Если очередь переполнена |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
818 или за время, задаваемое параметром <literal>timeout</literal>, |
594093ef96b1
Upstream: documented the "queue" directive.
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parents:
1121
diff
changeset
|
819 так и не удастся выбрать сервер для передачи ему запроса, |
1625
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1587
diff
changeset
|
820 клиенту будет возвращена ошибка |
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1587
diff
changeset
|
821 <http-status code="502" text="Bad Gateway"/>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
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parents:
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diff
changeset
|
822 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
823 |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
824 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
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parents:
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diff
changeset
|
825 По умолчанию параметр <literal>timeout</literal> равен 60 секундам. |
594093ef96b1
Upstream: documented the "queue" directive.
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parents:
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diff
changeset
|
826 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
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parents:
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diff
changeset
|
827 |
594093ef96b1
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parents:
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diff
changeset
|
828 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
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|
829 <note> |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
830 При использовании методов балансировки нагрузки, отличных |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
831 от стандартного round-robin, следует активировать их до |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
832 директивы <literal>queue</literal>. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
833 </note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
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1891
diff
changeset
|
834 |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
835 <note> |
1128
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents:
1127
diff
changeset
|
836 Эта директива доступна как часть |
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents:
1127
diff
changeset
|
837 <commercial_version>коммерческой подписки</commercial_version>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
838 </note> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
839 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
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parents:
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diff
changeset
|
840 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
841 </directive> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
842 |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
843 |
2191
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
844 <directive name="random"> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
845 <syntax>[<literal>two</literal> [<value>метод</value>]]</syntax> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
846 <default/> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
847 <context>upstream</context> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
848 <appeared-in>1.15.1</appeared-in> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
849 |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
850 <para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
851 Задаёт для группы метод балансировки нагрузки, при котором запрос |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
852 передаётся случайно выбранному серверу, с учётом весов |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
853 серверов. |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
854 </para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
855 |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
856 <para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
857 Если указан необязательный параметр <literal>two</literal>, |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
858 то nginx случайным образом выбирает |
2197
03f8a9c5e8ae
Updated link in the "random" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2191
diff
changeset
|
859 <link url="https://homes.cs.washington.edu/~karlin/papers/balls.pdf">два</link> |
2191
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
860 сервера, из которых выбирает сервер, |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
861 используя указанный <literal>метод</literal>. |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
862 Методом по умолчанию является <literal>least_conn</literal>, |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
863 при котором запрос передаётся на сервер |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
864 с наименьшим количеством активных соединений. |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
865 </para> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
866 |
2230
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
867 <para id="random_least_time"> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
868 Если указан метод <literal>least_time</literal>, то запрос передаётся серверу |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
869 с наименьшими средним временем ответа и числом активных соединений. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
870 Если указан <literal>least_time=header</literal>, то учитывается |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
871 время получения <link id="var_upstream_header_time">заголовка ответа</link>. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
872 Если указан <literal>least_time=last_byte</literal>, то учитывается |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
873 время получения <link id="var_upstream_response_time">всего ответа</link>. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
874 <note> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
875 Метод <literal>least_time</literal> доступен как часть |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
876 <commercial_version>коммерческой подписки</commercial_version>. |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
877 </note> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
878 </para> |
283b1e67eaa6
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2225
diff
changeset
|
879 |
2191
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
880 </directive> |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
881 |
2c56f91c304a
Documented the "random" directive.
Vladimir Homutov <vl@nginx.com>
parents:
2139
diff
changeset
|
882 |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
883 <directive name="sticky"> |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
884 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
885 <literal>cookie</literal> <value>имя</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
886 [<literal>expires=</literal><value>время</value>] |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
887 [<literal>domain=</literal><value>домен</value>] |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
888 [<literal>httponly</literal>] |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
889 [<literal>secure</literal>] |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
890 [<literal>path=</literal><value>путь</value>]</syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
891 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
892 <literal>route</literal> <value>переменная</value> ...</syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
893 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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parents:
1243
diff
changeset
|
894 <literal>learn</literal> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
895 <literal>create=</literal><value>$переменная</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
896 <literal>lookup=</literal><value>$переменная</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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parents:
1243
diff
changeset
|
897 <literal>zone=</literal><value>имя</value>:<value>размер</value> |
2028
5c55b7054b58
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1945
diff
changeset
|
898 [<literal>timeout=</literal><value>время</value>] |
2139
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
899 [<literal>header</literal>] |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
900 [<literal>sync</literal>]</syntax> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
901 <default/> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
902 <context>upstream</context> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
903 <appeared-in>1.5.7</appeared-in> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
904 |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
905 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
906 Включает режим привязки сеансов, в котором запросы клиента |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
907 будут передаваться на один и тот же сервер группы. |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
908 Доступны три метода: |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
909 <list type="tag"> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
910 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
911 <tag-desc> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
912 |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
913 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
914 При использовании метода <literal>cookie</literal> информация о |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
915 назначенном сервере передаётся в HTTP-куке: |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
916 <example> |
314801ed88e7
Upstream: translated the "sticky" directive.
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|
917 upstream backend { |
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Upstream: translated the "sticky" directive.
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diff
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|
918 server backend1.example.com; |
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diff
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|
919 server backend2.example.com; |
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Upstream: translated the "sticky" directive.
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diff
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|
920 |
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|
921 sticky cookie srv_id expires=1h domain=.example.com path=/; |
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Upstream: translated the "sticky" directive.
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|
922 } |
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Upstream: translated the "sticky" directive.
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|
923 </example> |
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|
924 </para> |
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|
925 |
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|
926 <para> |
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Upstream: translated the "sticky" directive.
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|
927 Запрос от клиента, ещё не привязанного к определённому серверу, |
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Upstream: translated the "sticky" directive.
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|
928 передаётся на сервер, выбранный согласно настроенному методу балансировки. |
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|
929 Дальнейшие запросы от этого клиента передаются на тот же сервер. |
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Upstream: translated the "sticky" directive.
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|
930 Если назначенный сервер не может обработать запрос, выбирается новый |
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Upstream: translated the "sticky" directive.
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diff
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|
931 сервер как если бы клиент не имел привязки к серверу. |
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|
932 </para> |
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|
933 |
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|
934 <para> |
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|
935 Первый параметр задаёт имя куки, которую необходимо установить или проверить. |
2041
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diff
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|
936 Значением куки является MD5-хэш IP-адреса и порта |
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Documented cookie name for sticky cookie and server route.
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diff
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|
937 (или пути UNIX-сокета) в шестнадцатеричном виде. |
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diff
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|
938 Однако если указан параметр “<literal>route</literal>” |
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Documented cookie name for sticky cookie and server route.
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diff
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|
939 директивы <link id="server"/>, то значением куки будет |
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diff
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|
940 значение параметра “<literal>route</literal>”: |
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Documented cookie name for sticky cookie and server route.
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|
941 <example> |
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Documented cookie name for sticky cookie and server route.
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|
942 upstream backend { |
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diff
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|
943 server backend1.example.com route=<emphasis>a</emphasis>; |
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Documented cookie name for sticky cookie and server route.
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|
944 server backend2.example.com route=<emphasis>b</emphasis>; |
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Documented cookie name for sticky cookie and server route.
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diff
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|
945 |
29b68a7b42fc
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diff
changeset
|
946 sticky cookie srv_id expires=1h domain=.example.com path=/; |
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Documented cookie name for sticky cookie and server route.
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|
947 } |
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|
948 </example> |
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diff
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|
949 В этом случае значение куки “<literal>srv_id</literal>” будет |
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|
950 или <value>a</value>, или <value>b</value>. |
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Documented cookie name for sticky cookie and server route.
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|
951 </para> |
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diff
changeset
|
952 |
29b68a7b42fc
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|
953 <para> |
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|
954 Дополнительные параметры могут быть следующими: |
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|
955 <list type="tag"> |
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diff
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|
956 |
1450
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|
957 <tag-name><literal>expires=</literal><value>время</value></tag-name> |
1234
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|
958 <tag-desc> |
1450
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|
959 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку. |
1234
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|
960 Специальное значение <literal>max</literal> устанавливает срок хранения куки до |
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|
961 31 декабря 2037 года 23:55:55 GMT. |
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|
962 Если параметр не указан, то время действия куки ограничивается сессией браузера. |
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|
963 </tag-desc> |
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|
964 |
1450
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|
965 <tag-name><literal>domain=</literal><value>домен</value></tag-name> |
1234
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|
966 <tag-desc> |
1450
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|
967 Задаёт <value>домен</value>, для которого устанавливается кука. |
1825
56b6244ddadb
Updated docs for the upcoming NGINX Plus release.
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|
968 В значении параметра можно использовать переменные (1.11.5). |
1234
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|
969 </tag-desc> |
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|
970 |
1450
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|
971 <tag-name><literal>httponly</literal></tag-name> |
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|
972 <tag-desc> |
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|
973 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11). |
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|
974 </tag-desc> |
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|
975 |
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|
976 <tag-name><literal>secure</literal></tag-name> |
1234
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|
977 <tag-desc> |
1450
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|
978 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11). |
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|
979 </tag-desc> |
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|
980 |
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changeset
|
981 <tag-name><literal>path=</literal><value>путь</value></tag-name> |
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|
982 <tag-desc> |
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changeset
|
983 Задаёт <value>путь</value>, для которого устанавливается кука. |
1234
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|
984 </tag-desc> |
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diff
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|
985 |
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|
986 </list> |
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|
987 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет. |
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diff
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|
988 </para> |
1259
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|
989 </tag-desc> |
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|
990 |
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diff
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|
991 <tag-name id="sticky_route"><literal>route</literal></tag-name> |
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|
992 <tag-desc> |
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|
993 |
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|
994 <para> |
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|
995 При использовании метода <literal>route</literal> проксируемый сервер назначает |
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diff
changeset
|
996 клиенту маршрут по получении первого запроса. |
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diff
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|
997 Все последующие запросы от этого клиента будут содержать информацию о |
314801ed88e7
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diff
changeset
|
998 маршруте в куке или URI. |
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diff
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|
999 Эта информация сравнивается с параметром “<literal>route</literal>” директивы |
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|
1000 <link id="server"/> для идентификации сервера, на который |
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diff
changeset
|
1001 следует проксировать запрос. |
1854
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|
1002 Если параметр “<literal>route</literal>” не задан, то именем маршрута |
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|
1003 будет являться MD5-хэш IP-адреса и порта |
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|
1004 (или пути UNIX-сокета) в шестнадцатеричном виде. |
1234
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|
1005 Если назначенный сервер не может обработать запрос, выбирается новый сервер |
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|
1006 согласно настроенному методу балансировки как если бы в запросе не было |
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diff
changeset
|
1007 информации о маршруте. |
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|
1008 </para> |
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|
1009 |
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|
1010 <para> |
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|
1011 Параметры метода <literal>route</literal> задают переменные, которые |
1238
763db729e6a4
Upstream: corrected translation in sticky route.
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1237
diff
changeset
|
1012 могут содержать информацию о маршруте. |
1234
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|
1013 Первая непустая переменная используется для поиска соответствующего сервера. |
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|
1014 </para> |
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|
1015 |
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|
1016 <para> |
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|
1017 Пример: |
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|
1018 <example> |
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|
1019 map $cookie_jsessionid $route_cookie { |
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|
1020 ~.+\.(?P<route>\w+)$ $route; |
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|
1021 } |
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|
1022 |
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1023 map $request_uri $route_uri { |
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1024 ~jsessionid=.+\.(?P<route>\w+)$ $route; |
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1025 } |
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1026 |
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1027 upstream backend { |
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1028 server backend1.example.com route=a; |
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1029 server backend2.example.com route=b; |
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1030 |
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1031 sticky route $route_cookie $route_uri; |
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1032 } |
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1033 </example> |
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1034 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”, |
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1035 если она присутствует в запросе. |
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1036 В противном случае используется маршрут из URI. |
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1037 </para> |
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1038 |
1259
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1039 </tag-desc> |
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1040 |
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1041 <tag-name id="sticky_learn"><literal>learn</literal></tag-name> |
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1042 <tag-desc> |
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1043 <para> |
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1044 При использовании метода <literal>learn</literal> (1.7.1) nginx |
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1045 анализирует ответы от вышестоящего сервера и запоминает |
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1046 начатые им сессии, которые обычно передаются в HTTP-куке. |
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1047 <example> |
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1048 upstream backend { |
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1049 server backend1.example.com:8080; |
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1050 server backend2.example.com:8081; |
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1051 |
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1052 sticky learn |
1544
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1053 create=$upstream_cookie_examplecookie |
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1054 lookup=$cookie_examplecookie |
1259
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1055 zone=client_sessions:1m; |
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1056 } |
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1057 </example> |
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1058 |
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1059 В примере выше сервер группы создаёт сессию путём установки |
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1060 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе. |
1259
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1061 Последующие запросы с этой кукой будут передаваться на этот же сервер. |
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1062 Если сервер не может обработать запрос, выбирается новый |
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1063 сервер как если бы клиент не имел привязки к серверу. |
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1064 </para> |
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1065 |
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1066 <para> |
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1067 Параметры <literal>create</literal> и <literal>lookup</literal> |
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1068 задают переменные, в которых соответственно указывается способ |
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1069 создания новых и поиска существующих сессий. |
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1070 Оба параметра могут быть указаны больше одного раза |
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1071 (в этом случае используется первая непустая переменная). |
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1072 </para> |
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1073 |
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1074 <para> |
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1075 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и |
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1076 <value>размер</value> которой задаются параметром <literal>zone</literal>. |
2139
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1077 Зоны размером в 1 мегабайт достаточно для хранения около 4 тысяч сессий |
1259
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1078 на 64-битной платформе. |
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1079 Сессии, к которым не было обращений в течение времени, заданного параметром |
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1080 <literal>timeout</literal>, удаляются из зоны. |
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1081 По умолчанию <literal>timeout</literal> равен 10 минутам. |
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1082 </para> |
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1083 |
2028
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1084 <para id="sticky_learn_header"> |
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1085 Параметр <literal>header</literal> (1.13.1) позволяет создавать сессию |
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|
1086 сразу после получения заголовков ответа от сервера группы. |
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1087 </para> |
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1088 |
2139
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1089 <para id="sticky_learn_sync"> |
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1090 Параметр <literal>sync</literal> (1.13.8) разрешает |
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1091 <link doc="../stream/ngx_stream_zone_sync_module.xml" id="zone_sync">синхронизацию</link> |
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1092 данной зоны разделяемой памяти. |
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1093 </para> |
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1094 |
1259
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1095 </tag-desc> |
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1096 </list> |
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1097 </para> |
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1098 |
1234
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1099 <para> |
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1100 <note> |
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1101 Эта директива доступна как часть |
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1102 <commercial_version>коммерческой подписки</commercial_version>. |
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1103 </note> |
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1104 </para> |
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1105 |
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1106 </directive> |
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1107 |
1237
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1108 |
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1109 <directive name="sticky_cookie_insert"> |
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1110 <syntax><value>имя</value> |
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1111 [<literal>expires=</literal><value>время</value>] |
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1112 [<literal>domain=</literal><value>домен</value>] |
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1113 [<literal>path=</literal><value>путь</value>]</syntax> |
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1114 <default/> |
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1115 <context>upstream</context> |
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1116 |
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1117 <para> |
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1118 Эта директива устарела начиная с версии 1.5.7. |
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1119 Вместо неё следует использовать аналогичную директиву |
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1120 <link id="sticky"/> с изменённым синтаксисом: |
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1121 <note> |
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1122 <literal>sticky cookie</literal> <value>имя</value> |
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1123 [<literal>expires=</literal><value>время</value>] |
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1124 [<literal>domain=</literal><value>домен</value>] |
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1125 [<literal>path=</literal><value>путь</value>]; |
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1126 </note> |
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1127 </para> |
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1128 |
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1129 </directive> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1130 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1131 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1132 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1133 |
292 | 1134 <section id="variables" name="Встроенные переменные"> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1135 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1136 <para> |
292 | 1137 Модуль <literal>ngx_http_upstream_module</literal> |
1138 поддерживает следующие встроенные переменные: | |
1139 <list type="tag"> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1140 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1141 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
292 | 1142 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1143 хранит IP-адрес и порт или путь к UNIX-сокету сервера группы. |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1144 Если при обработке запроса были сделаны обращения к нескольким серверам, |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1145 то их адреса разделяются запятой, например, |
292 | 1146 “<literal>192.168.1.1:80, 192.168.1.2:80, unix:/tmp/sock</literal>”. |
256
c78b2d6fe261
Use another term for "redirect".
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1147 Если произошло внутреннее перенаправление от одной группы серверов на другую |
c78b2d6fe261
Use another term for "redirect".
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
1148 с помощью |
292 | 1149 <header>X-Accel-Redirect</header> или |
1150 <link doc="ngx_http_core_module.xml" id="error_page"/>, | |
966 | 1151 то адреса, соответствующие разным группам серверов, разделяются двоеточием, |
1152 например, | |
292 | 1153 “<literal>192.168.1.1:80, 192.168.1.2:80, unix:/tmp/sock : 192.168.10.1:80, 192.168.10.2:80</literal>”. |
2058
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2041
diff
changeset
|
1154 Если сервер не может быть выбран, |
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2041
diff
changeset
|
1155 то переменная хранит имя группы серверов. |
292 | 1156 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1157 |
1783
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1158 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1159 <tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1160 число байт, полученных от сервера группы (1.11.4). |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1161 Значения нескольких соединений |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1162 разделяются запятыми и двоеточиями подобно адресам в переменной |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1163 <link id="var_upstream_addr">$upstream_addr</link>. |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1164 </tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1165 |
2307
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1166 <tag-name id="var_upstream_bytes_sent"><var>$upstream_bytes_sent</var></tag-name> |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1167 <tag-desc> |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1168 число байт, переданных на сервер группы (1.15.8). |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1169 Значения нескольких соединений |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1170 разделяются запятыми и двоеточиями подобно адресам в переменной |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1171 <link id="var_upstream_addr">$upstream_addr</link>. |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1172 </tag-desc> |
994207cf96da
Documented the "$upstream_bytes_sent" variable for http.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2275
diff
changeset
|
1173 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1174 <tag-name id="var_upstream_cache_status"><var>$upstream_cache_status</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1175 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1176 <tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1177 хранит статус доступа к кэшу ответов (0.8.3). |
1075
6c021feec587
Removed unjustified non-breakable spaces.
Ruslan Ermilov <ru@nginx.com>
parents:
1016
diff
changeset
|
1178 Статус может быть одним из “<literal>MISS</literal>”, |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1179 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”, |
1016
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1180 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”, |
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1181 “<literal>REVALIDATED</literal>” или “<literal>HIT</literal>”. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1182 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1183 |
1481
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1184 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1185 </tag-name> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1186 <tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1187 хранит время, затраченное на установление соединения с сервером группы (1.9.1); |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1188 время хранится в секундах с точностью до миллисекунд. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1189 В случае SSL, включает в себя время, потраченное на handshake. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1190 Времена нескольких соединений |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1191 разделяются запятыми и двоеточиями подобно адресам в переменной |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1192 <link id="var_upstream_addr">$upstream_addr</link>. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1193 </tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1194 |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1195 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value> |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1196 </tag-name> |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1197 <tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1198 кука с указанным <value>именем</value>, переданная сервером группы |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1199 в поле <header>Set-Cookie</header> заголовка ответа (1.7.1). |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1200 Необходимо иметь в виду, что куки запоминаются только из ответа |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1201 последнего сервера. |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1202 </tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1203 |
1393
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1204 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1205 </tag-name> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1206 <tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1207 хранит время, |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1208 затраченное на получение заголовка ответа от сервера группы (1.7.10); |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1209 время хранится в секундах с точностью до миллисекунд. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1210 Времена нескольких ответов |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1211 разделяются запятыми и двоеточиями подобно адресам в переменной |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1212 <link id="var_upstream_addr">$upstream_addr</link>. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1213 </tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1214 |
1392
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1215 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1216 <tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1217 хранят поля заголовка ответа сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1218 Например, поле заголовка ответа <header>Server</header> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1219 доступно в переменной <var>$upstream_http_server</var>. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1220 Правила преобразования имён полей заголовка ответа в имена переменных |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1221 такие же, как для переменных с префиксом |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1222 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1223 Необходимо иметь в виду, что поля заголовка запоминаются только из ответа |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1224 последнего сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1225 </tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1226 |
2139
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1227 <tag-name id="var_upstream_queue_time"><var>$upstream_queue_time</var></tag-name> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1228 <tag-desc> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1229 хранит время, проведённое запросом в <link id="queue">очереди</link> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1230 (1.13.9); |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1231 время хранится в секундах с точностью до миллисекунд. |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1232 Времена нескольких ответов |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1233 разделяются запятыми и двоеточиями подобно адресам в переменной |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1234 <link id="var_upstream_addr">$upstream_addr</link>. |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1235 </tag-desc> |
f6e578b1b02d
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
2134
diff
changeset
|
1236 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1237 <tag-name id="var_upstream_response_length"><var>$upstream_response_length</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1238 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1239 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1240 хранит длину ответа, полученного от сервера группы (0.7.27); |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1241 длина хранится в байтах. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1242 Длины нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1243 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1244 <link id="var_upstream_addr">$upstream_addr</link>. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1245 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1246 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1247 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1248 </tag-name> |
292 | 1249 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1250 хранит время, затраченное на получение ответа от сервера группы; |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1251 время хранится в секундах с точностью до миллисекунд. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1252 Времена нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1253 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1254 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1255 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1256 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1257 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name> |
292 | 1258 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1259 хранит статус ответа, полученного от сервера группы. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1260 Статусы нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1261 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1262 <link id="var_upstream_addr">$upstream_addr</link>. |
2062
7275c134ec67
Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
1263 Если сервер не может быть выбран, то |
7275c134ec67
Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2058
diff
changeset
|
1264 переменная хранит статус <http-status code="502" text="Bad Gateway"/>. |
292 | 1265 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1266 |
2113
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1267 <tag-name id="var_upstream_trailer_"><var>$upstream_trailer_</var><value>имя</value></tag-name> |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1268 <tag-desc> |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1269 хранит поля из конца ответа, |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1270 полученного от сервера группы (1.13.10). |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1271 </tag-desc> |
180269c4a220
Documented the "upstream_trailer_" variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2097
diff
changeset
|
1272 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1273 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1274 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1275 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1276 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1277 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1278 </module> |