Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 1625:0ba4b2e561bd
Added 502 error to the "queue" directive.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Thu, 17 Dec 2015 18:18:48 +0300 |
parents | c2a0a18e65ba |
children | 44c4323144c5 |
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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="45"> |
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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"/>, |
1181 | 24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/> и |
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/>. |
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26 </para> |
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27 |
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28 </section> |
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29 |
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30 |
292 | 31 <section id="example" name="Пример конфигурации"> |
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32 |
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33 <para> |
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34 <example> |
292 | 35 upstream <emphasis>backend</emphasis> { |
36 server backend1.example.com weight=5; | |
37 server backend2.example.com:8080; | |
38 server unix:/tmp/backend3; | |
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39 |
292 | 40 server backup1.example.com:8080 backup; |
41 server backup2.example.com:8080 backup; | |
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42 } |
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43 |
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44 server { |
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45 location / { |
292 | 46 proxy_pass http://<emphasis>backend</emphasis>; |
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47 } |
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48 } |
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49 </example> |
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50 </para> |
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51 |
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52 <para> |
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53 Динамически настраиваемая группа, |
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54 доступна как часть |
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55 <commercial_version>коммерческой подписки</commercial_version>: |
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56 <example> |
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57 resolver 10.0.0.1; |
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58 |
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59 upstream <emphasis>dynamic</emphasis> { |
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60 zone upstream_dynamic 64k; |
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61 |
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62 server backend1.example.com weight=5; |
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63 server backend2.example.com:8080 fail_timeout=5s slow_start=30s; |
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64 server 192.0.2.1 max_fails=3; |
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65 server backend3.example.com resolve; |
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66 |
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67 server backup1.example.com:8080 backup; |
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68 server backup2.example.com:8080 backup; |
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69 } |
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70 |
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71 server { |
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72 location / { |
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73 proxy_pass http://<emphasis>dynamic</emphasis>; |
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74 health_check; |
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75 } |
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76 } |
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77 </example> |
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78 </para> |
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79 |
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80 </section> |
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81 |
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82 |
292 | 83 <section id="directives" name="Директивы"> |
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84 |
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85 <directive name="upstream"> |
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86 <syntax block="yes"><value>название</value></syntax> |
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87 <default/> |
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88 <context>http</context> |
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89 |
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90 <para> |
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91 Описывает группу серверов. |
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92 Серверы могут слушать на разных портах. |
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93 Кроме того, можно одновременно использовать серверы, |
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94 слушающие на TCP- и UNIX-сокетах. |
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95 </para> |
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96 |
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97 <para> |
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98 Пример: |
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99 <example> |
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100 upstream backend { |
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101 server backend1.example.com weight=5; |
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102 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s; |
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103 server unix:/tmp/backend3; |
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104 |
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105 server backup1.example.com backup; |
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106 } |
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107 </example> |
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108 </para> |
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109 |
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110 <para> |
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111 По умолчанию запросы распределяются по серверам циклически |
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112 (в режиме round-robin) с учётом весов серверов. |
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113 В вышеприведённом примере каждые 7 запросов будут распределены так: |
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114 5 запросов на <literal>backend1.example.com</literal> |
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115 и по одному запросу на второй и третий серверы. |
966 | 116 Если при попытке работы с сервером происходит ошибка, то запрос |
117 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы | |
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118 все работающие серверы. |
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119 Если не удастся получить успешный ответ |
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120 ни от одного из серверов, то клиенту будет возвращён результат работы |
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121 с последним сервером. |
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122 </para> |
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123 |
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124 </directive> |
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125 |
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126 |
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127 <directive name="server"> |
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128 <syntax><value>адрес</value> [<value>параметры</value>]</syntax> |
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129 <default/> |
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130 <context>upstream</context> |
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131 |
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132 <para> |
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133 Задаёт <value>адрес</value> и другие <value>параметры</value> |
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134 сервера. |
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135 Адрес может быть указан в виде доменного имени или IP-адреса, |
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136 и необязательного порта, или в виде пути UNIX-сокета, который |
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137 указывается после префикса “<literal>unix:</literal>”. |
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138 Если порт не указан, используется порт 80. |
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139 Доменное имя, которому соответствует несколько IP-адресов, |
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140 задаёт сразу несколько серверов. |
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141 </para> |
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142 |
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143 <para> |
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144 Могут быть заданы следующие параметры: |
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145 <list type="tag"> |
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146 |
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147 <tag-name id="weight"> |
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148 <literal>weight</literal>=<value>число</value> |
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149 </tag-name> |
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150 <tag-desc> |
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151 задаёт вес сервера, по умолчанию 1. |
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152 </tag-desc> |
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153 |
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154 <tag-name id="max_fails"> |
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155 <literal>max_fails</literal>=<value>число</value> |
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156 </tag-name> |
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157 <tag-desc> |
966 | 158 задаёт число неудачных попыток работы с сервером, которые должны произойти |
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159 в течение времени, заданного параметром <literal>fail_timeout</literal>, |
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160 чтобы сервер считался недоступным на период времени, также заданный |
966 | 161 параметром <literal>fail_timeout</literal>. |
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162 По умолчанию число попыток устанавливается равным 1. |
966 | 163 Нулевое значение отключает учёт попыток. |
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164 Что считается неудачной попыткой, определяется директивами |
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165 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>, |
1181 | 166 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>, |
1194 | 167 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>, |
1181 | 168 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/> и |
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169 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/>. |
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170 </tag-desc> |
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171 |
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172 <tag-name id="fail_timeout"> |
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173 <literal>fail_timeout</literal>=<value>время</value> |
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174 </tag-name> |
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175 <tag-desc> |
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176 задаёт |
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177 <list type="bullet"> |
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178 |
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179 <listitem> |
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180 время, в течение которого должно произойти заданное число неудачных |
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181 попыток работы с сервером для того, чтобы сервер считался недоступным; |
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182 </listitem> |
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183 |
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184 <listitem> |
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185 и время, в течение которого сервер будет считаться недоступным. |
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186 </listitem> |
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187 |
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188 </list> |
966 | 189 По умолчанию параметр равен 10 секундам. |
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190 </tag-desc> |
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191 |
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192 <tag-name id="backup"> |
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193 <literal>backup</literal> |
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194 </tag-name> |
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195 <tag-desc> |
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196 помечает сервер как запасной сервер. |
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197 На него будут передаваться запросы в случае, если не работают основные серверы. |
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198 </tag-desc> |
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199 |
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200 <tag-name id="down"> |
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201 <literal>down</literal> |
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202 </tag-name> |
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203 <tag-desc> |
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204 помечает сервер как постоянно недоступный. |
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205 </tag-desc> |
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206 |
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207 </list> |
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208 </para> |
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209 |
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210 <para> |
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211 Кроме того, |
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212 следующие параметры доступны как часть |
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213 <commercial_version>коммерческой подписки</commercial_version>: |
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214 <list type="tag"> |
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215 |
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216 <tag-name id="max_conns"> |
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217 <literal>max_conns</literal>=<value>число</value> |
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218 </tag-name> |
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219 <tag-desc> |
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220 ограничивает максимальное <value>число</value> одновременных активных |
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221 соединений к проксируемому серверу (1.5.9). |
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222 Значение по умолчанию равно 0 и означает, что ограничения нет. |
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223 <note> |
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224 При включённых <link id="keepalive">постоянных</link> соединениях и нескольких |
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225 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link> |
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226 общее число соединений с проксируемым сервером |
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227 может превышать значение <literal>max_conns</literal>. |
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228 </note> |
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229 </tag-desc> |
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230 |
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231 <tag-name id="resolve"> |
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232 <literal>resolve</literal> |
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233 </tag-name> |
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234 <tag-desc> |
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235 отслеживает изменения IP-адресов, соответствующих доменному имени сервера, |
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236 и автоматически изменяет конфигурацию группы |
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237 без необходимости перезапуска nginx (1.5.12). |
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238 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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239 <para> |
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240 Для работы этого параметра |
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241 директива <link doc="ngx_http_core_module.xml" id="resolver"/> |
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242 должна быть задана в блоке |
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243 <link doc="ngx_http_core_module.xml" id="http"/>. |
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244 Пример: |
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245 <example> |
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246 http { |
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247 resolver 10.0.0.1; |
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248 |
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249 upstream u { |
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250 zone ...; |
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251 ... |
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252 server example.com resolve; |
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253 } |
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254 } |
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255 </example> |
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256 </para> |
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257 </tag-desc> |
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258 |
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259 <tag-name id="route"> |
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260 <literal>route</literal>=<value>строка</value> |
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261 </tag-name> |
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262 <tag-desc> |
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263 задаёт имя маршрута к серверу. |
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264 </tag-desc> |
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265 |
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266 <tag-name id="slow_start"> |
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267 <literal>slow_start</literal>=<value>время</value> |
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268 </tag-name> |
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269 <tag-desc> |
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270 задаёт <value>время</value>, в течение которого вес сервера |
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271 восстановится от нуля до своего номинального значения в ситуации, когда |
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272 неработоспособный (unhealthy) сервер вновь становится работоспособным |
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273 (<link id="health_check">healthy</link>) |
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274 или когда сервер становится доступным по прошествии времени, |
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275 в течение которого он считался <link id="fail_timeout">недоступным</link>. |
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276 Значение по умолчанию равно нулю и означает, что медленный старт выключен. |
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277 </tag-desc> |
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278 |
533
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279 </list> |
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280 </para> |
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281 |
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282 <para> |
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283 <note> |
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284 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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285 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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286 игнорируются и такой сервер никогда не будет считаться недоступным. |
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287 </note> |
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288 </para> |
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289 |
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290 </directive> |
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291 |
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292 |
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293 <directive name="zone"> |
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294 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
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295 <default/> |
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296 <context>upstream</context> |
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297 <appeared-in>1.9.0</appeared-in> |
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298 |
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299 <para> |
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300 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
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301 в которой хранятся конфигурация группы и её рабочее состояние, |
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302 разделяемые между рабочими процессами. |
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303 В одной и той же зоне могут быть сразу несколько групп. |
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304 В этом случае достаточно указать <value>размер</value> только один раз. |
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305 </para> |
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306 |
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307 <para> |
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308 Дополнительно, как часть |
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309 <commercial_version>коммерческой подписки</commercial_version>, |
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310 в таких группах для изменения состава группы |
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311 или настроек отдельных серверов |
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312 нет необходимости перезапускать nginx. |
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313 Конфигурация доступна через специальный location, |
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314 в котором указана директива |
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315 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
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316 </para> |
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317 |
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318 </directive> |
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319 |
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320 |
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321 <directive name="hash"> |
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322 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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323 <default/> |
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324 <context>upstream</context> |
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325 <appeared-in>1.7.2</appeared-in> |
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326 |
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327 <para> |
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328 Задаёт метод балансировки нагрузки для группы, при котором |
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329 соответствие клиента серверу определяется при помощи |
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330 хэшированного значения <value>ключа</value>. |
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331 В качестве <value>ключа</value> может использоваться |
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332 текст, переменные и их комбинации. |
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333 Следует отметить, что любое добавление или удаление серверов в группе |
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334 может привести к перераспределению большинства ключей на другие серверы. |
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335 Метод совместим с библиотекой Perl |
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336 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>. |
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337 </para> |
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338 |
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339 <para> |
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340 Если задан параметр <literal>consistent</literal>, то вместо |
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341 вышеописанного метода будет использоваться метод консистентного хэширования |
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342 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>. |
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343 Метод гарантирует, что при добавлении сервера в группу или его удалении |
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344 на другие серверы будет перераспределено минимальное число ключей. |
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345 Применение метода для кэширующих серверов обеспечивает |
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346 больший процент попаданий в кэш. |
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347 Метод совместим с библиотекой Perl |
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348 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link> |
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349 при значении параметра <value>ketama_points</value> равным 160. |
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350 </para> |
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351 |
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352 </directive> |
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Upstream: added the "hash" directive.
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353 |
6cc809881694
Upstream: added the "hash" directive.
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diff
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|
354 |
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355 <directive name="ip_hash"> |
102
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The directive name is now automatically printed in <default> and <syntax>.
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356 <syntax/> |
99
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The case <default/> is now language-agnostic.
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357 <default/> |
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358 <context>upstream</context> |
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359 |
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360 <para> |
533
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diff
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361 Задаёт для группы метод балансировки нагрузки, при котором запросы |
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Revamped the upstream documentation somewhat.
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362 распределяются по серверам на основе IP-адресов клиентов. |
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363 В качестве ключа для хэширования используются первые три |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
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|
364 октета IPv4-адреса клиента или IPv6-адрес клиента целиком. |
292 | 365 Метод гарантирует, что запросы одного и того же клиента |
366 будут всегда передаваться на один и тот же сервер. | |
1240
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Upstream: translated the missing parts of the "server" directive.
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367 Если же этот сервер будет считаться недоступным, |
292 | 368 то запросы этого клиента будут передаваться на другой сервер. |
369 С большой долей вероятности это также будет один и тот же сервер. | |
542
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Documented IPv6 support in ip_hash.
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370 <note> |
566 | 371 IPv6-адреса поддерживаются начиная с версий 1.3.2 и 1.2.2. |
542
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diff
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|
372 </note> |
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373 </para> |
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374 |
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375 <para> |
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376 Если один из серверов нужно убрать на некоторое время, то для сохранения |
292 | 377 текущего хэширования IP-адресов клиентов этот сервер нужно пометить |
378 параметром <literal>down</literal>. | |
76
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379 </para> |
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380 |
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381 <para> |
292 | 382 Пример: |
76
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383 <example> |
292 | 384 upstream backend { |
76
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|
385 ip_hash; |
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386 |
292 | 387 server backend1.example.com; |
388 server backend2.example.com; | |
389 server backend3.example.com <emphasis>down</emphasis>; | |
390 server backend4.example.com; | |
76
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391 } |
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392 </example> |
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393 </para> |
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|
394 |
526
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
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diff
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|
395 <para> |
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1.3.1 changes: ip_hash+weight, least_conn.
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diff
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|
396 <note> |
566 | 397 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.
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diff
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|
398 <literal>ip_hash</literal>, нельзя было задать вес. |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
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367
diff
changeset
|
399 </note> |
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1.3.1 changes: ip_hash+weight, least_conn.
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diff
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|
400 </para> |
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1.3.1 changes: ip_hash+weight, least_conn.
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diff
changeset
|
401 |
76
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|
402 </directive> |
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changeset
|
403 |
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parents:
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changeset
|
404 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
405 <directive name="keepalive"> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
406 <syntax><value>соединения</value></syntax> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
407 <default/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
408 <context>upstream</context> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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409 <appeared-in>1.1.4</appeared-in> |
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Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
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|
410 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
411 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
412 Задействует кэш соединений для группы серверов. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
413 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
414 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
415 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
416 Параметр <value>соединения</value> устанавливает максимальное число |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
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parents:
589
diff
changeset
|
417 неактивных постоянных соединений с серверами группы, которые будут |
841118e33f41
Refined the text about cache of connections to upstream servers.
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589
diff
changeset
|
418 сохраняться в кэше каждого рабочего процесса. |
841118e33f41
Refined the text about cache of connections to upstream servers.
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parents:
589
diff
changeset
|
419 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
|
420 закрываются. |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
421 <note> |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
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parents:
589
diff
changeset
|
422 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
|
423 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
|
424 рабочие процессы nginx могут открыть. |
966 | 425 Параметр <value>соединения</value> следует устанавливать достаточно |
426 консервативно, чтобы серверы группы по-прежнему могли обрабатывать | |
427 новые входящие соединения. | |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
428 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
429 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
430 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
431 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
432 Пример конфигурации группы серверов memcached с постоянными соединениями: |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
433 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
434 upstream memcached_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
435 server 127.0.0.1:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
436 server 10.0.0.2:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
437 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
438 keepalive 32; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
439 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
440 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
441 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
442 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
443 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
444 location /memcached/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
445 set $memcached_key $uri; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
446 memcached_pass memcached_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
447 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
448 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
449 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
450 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
451 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
452 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
453 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
454 Для HTTP директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
455 <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
456 следует установить в “<literal>1.1</literal>”, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
325
diff
changeset
|
457 а поле заголовка <header>Connection</header> — очистить: |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
458 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
459 upstream http_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
460 server 127.0.0.1:8080; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
461 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
462 keepalive 16; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
463 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
464 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
465 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
466 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
467 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
468 location /http/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
469 proxy_pass http://http_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
470 proxy_http_version 1.1; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
471 proxy_set_header Connection ""; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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292
diff
changeset
|
472 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
473 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
474 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
475 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
476 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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parents:
292
diff
changeset
|
477 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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478 <para> |
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479 <note> |
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480 Хоть это и не рекомендуется, но также возможно использование постоянных |
966 | 481 соединений с HTTP/1.0, путём передачи поля заголовка |
316
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482 <header>Connection: Keep-Alive</header> серверу группы. |
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483 </note> |
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484 </para> |
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485 |
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|
486 <para> |
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487 Для работы постоянных соединений с FastCGI-серверами потребуется |
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|
488 включить директиву |
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489 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>: |
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490 <example> |
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491 upstream fastcgi_backend { |
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492 server 127.0.0.1:9000; |
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493 |
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494 keepalive 8; |
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495 } |
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496 |
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497 server { |
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498 ... |
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499 |
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500 location /fastcgi/ { |
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|
501 fastcgi_pass fastcgi_backend; |
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502 fastcgi_keep_conn on; |
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503 ... |
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504 } |
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|
505 } |
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|
506 </example> |
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|
507 </para> |
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|
508 |
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|
509 <para> |
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|
510 <note> |
533
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Revamped the upstream documentation somewhat.
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diff
changeset
|
511 При использовании методов балансировки нагрузки, отличных |
316
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diff
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|
512 от стандартного round-robin, следует активировать их до |
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|
513 директивы <literal>keepalive</literal>. |
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|
514 </note> |
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|
515 |
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|
516 <note> |
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diff
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|
517 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений. |
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|
518 </note> |
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diff
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|
519 </para> |
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|
520 |
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|
521 </directive> |
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|
522 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
523 |
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|
524 <directive name="ntlm"> |
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|
525 <syntax/> |
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|
526 <default/> |
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|
527 <context>upstream</context> |
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|
528 <appeared-in>1.9.2</appeared-in> |
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|
529 |
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|
530 <para> |
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|
531 Позволяет проксировать запросы с |
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|
532 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой |
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|
533 подлинности NTLM</link>. |
1587
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|
534 Соединение с сервером группы привязывается к клиентскому соединению |
1561
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|
535 как только клиент отправляет запрос, в заголовке которого есть поле |
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|
536 <header>Authorization</header> со значением, |
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|
537 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”. |
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|
538 Последующие запросы клиента будут проксироваться через это же соединение |
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|
539 с сервером группы, |
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|
540 сохраняя контекст аутентификации. |
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|
541 </para> |
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|
542 |
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|
543 <para> |
1587
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|
544 Для работы проверки подлинности NTLM |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
545 необходимо разрешить постоянные соединения с серверами группы. |
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Added keepalive info for ntlm.
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|
546 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
c2a0a18e65ba
Added keepalive info for ntlm.
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|
547 следует установить в “<literal>1.1</literal>”, |
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Added keepalive info for ntlm.
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|
548 а поле заголовка <header>Connection</header> — очистить: |
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Added keepalive info for ntlm.
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|
549 <example> |
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Added keepalive info for ntlm.
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|
550 upstream http_backend { |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
551 server 127.0.0.1:8080; |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
552 |
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diff
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|
553 ntlm; |
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Added keepalive info for ntlm.
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diff
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|
554 } |
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Added keepalive info for ntlm.
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diff
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|
555 |
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Added keepalive info for ntlm.
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diff
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|
556 server { |
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Added keepalive info for ntlm.
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diff
changeset
|
557 ... |
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parents:
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diff
changeset
|
558 |
c2a0a18e65ba
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diff
changeset
|
559 location /http/ { |
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diff
changeset
|
560 proxy_pass http://http_backend; |
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diff
changeset
|
561 proxy_http_version 1.1; |
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Added keepalive info for ntlm.
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|
562 proxy_set_header Connection ""; |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
563 ... |
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diff
changeset
|
564 } |
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diff
changeset
|
565 } |
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diff
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|
566 </example> |
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diff
changeset
|
567 </para> |
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parents:
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diff
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|
568 |
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parents:
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diff
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|
569 <para> |
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Added keepalive info for ntlm.
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|
570 <note> |
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Added keepalive info for ntlm.
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diff
changeset
|
571 При использовании методов балансировки нагрузки, отличных |
c2a0a18e65ba
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parents:
1581
diff
changeset
|
572 от стандартного round-robin, следует активировать их до |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
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|
573 директивы <literal>ntlm</literal>. |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
574 </note> |
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parents:
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diff
changeset
|
575 </para> |
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diff
changeset
|
576 |
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Added keepalive info for ntlm.
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diff
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|
577 <para> |
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diff
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|
578 <note> |
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diff
changeset
|
579 Эта директива доступна как часть |
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Updated docs for the upcoming NGINX Plus release.
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|
580 <commercial_version>коммерческой подписки</commercial_version>. |
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|
581 </note> |
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|
582 </para> |
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|
583 |
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diff
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|
584 </directive> |
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diff
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|
585 |
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parents:
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diff
changeset
|
586 |
1125
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Upstream: reallocated the "queue" directive.
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diff
changeset
|
587 <directive name="least_conn"> |
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Upstream: reallocated the "queue" directive.
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|
588 <syntax/> |
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Upstream: reallocated the "queue" directive.
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diff
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|
589 <default/> |
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Upstream: reallocated the "queue" directive.
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diff
changeset
|
590 <context>upstream</context> |
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Upstream: reallocated the "queue" directive.
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diff
changeset
|
591 <appeared-in>1.3.1</appeared-in> |
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592 <appeared-in>1.2.2</appeared-in> |
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|
593 |
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|
594 <para> |
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|
595 Задаёт для группы метод балансировки нагрузки, при котором запрос |
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Upstream: reallocated the "queue" directive.
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diff
changeset
|
596 передаётся серверу с наименьшим числом активных соединений, |
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Upstream: reallocated the "queue" directive.
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|
597 с учётом весов серверов. |
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Upstream: reallocated the "queue" directive.
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changeset
|
598 Если подходит сразу несколько серверов, они выбираются циклически |
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Upstream: reallocated the "queue" directive.
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changeset
|
599 (в режиме round-robin) с учётом их весов. |
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Upstream: reallocated the "queue" directive.
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|
600 </para> |
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|
601 |
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|
602 </directive> |
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changeset
|
603 |
9a95b9026a16
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changeset
|
604 |
1450
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Updated commercial docs for the upcoming release.
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|
605 <directive name="least_time"> |
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|
606 <syntax><literal>header</literal> | <literal>last_byte</literal></syntax> |
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Updated commercial docs for the upcoming release.
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|
607 <default/> |
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changeset
|
608 <context>upstream</context> |
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Updated commercial docs for the upcoming release.
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609 <appeared-in>1.7.10</appeared-in> |
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Updated commercial docs for the upcoming release.
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|
610 |
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|
611 <para> |
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|
612 Задаёт для группы метод балансировки нагрузки, при котором запрос |
f5b5eefc43cb
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parents:
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diff
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|
613 передаётся серверу с наименьшими средним временем ответа и |
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Updated commercial docs for the upcoming release.
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|
614 числом активных соединений с учётом весов серверов. |
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|
615 Если подходит сразу несколько серверов, то они выбираются циклически |
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Updated commercial docs for the upcoming release.
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|
616 (в режиме round-robin) с учётом их весов. |
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|
617 </para> |
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|
618 |
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changeset
|
619 <para> |
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|
620 Если указан параметр <literal>header</literal>, |
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|
621 то учитывается время получения |
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|
622 <link id="var_upstream_header_time">заголовка ответа</link>. |
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|
623 Если указан параметр <literal>last_byte</literal>, то учитывается |
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|
624 время получения <link id="var_upstream_response_time">всего ответа</link>. |
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|
625 </para> |
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|
626 |
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|
627 <para> |
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|
628 <note> |
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|
629 Эта директива доступна как часть |
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|
630 <commercial_version>коммерческой подписки</commercial_version>. |
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|
631 </note> |
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|
632 </para> |
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|
633 |
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changeset
|
634 </directive> |
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changeset
|
635 |
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changeset
|
636 |
1242
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|
637 <directive name="health_check"> |
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|
638 <syntax>[<value>параметры</value>]</syntax> |
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|
639 <default/> |
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|
640 <context>location</context> |
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changeset
|
641 |
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Upstream: translated the "health_check" and "match" directives.
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|
642 <para> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
643 Активирует периодические проверки работоспособности серверов в |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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|
644 <link id="upstream">группе</link>, указанной в содержащем location. |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
645 </para> |
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Upstream: translated the "health_check" and "match" directives.
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|
646 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
647 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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parents:
1241
diff
changeset
|
648 Могут быть заданы следующие необязательные параметры: |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
649 <list type="tag"> |
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Upstream: translated the "health_check" and "match" directives.
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diff
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|
650 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
651 <tag-name id="interval"> |
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Upstream: translated the "health_check" and "match" directives.
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parents:
1241
diff
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|
652 <literal>interval</literal>=<value>время</value> |
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Upstream: translated the "health_check" and "match" directives.
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parents:
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|
653 </tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
654 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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parents:
1241
diff
changeset
|
655 задаёт интервал между двумя последовательными проверками, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
656 по умолчанию 5 секунд; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
657 </tag-desc> |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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|
658 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
659 <tag-name id="fails"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
660 <literal>fails</literal>=<value>число</value> |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
661 </tag-name> |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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|
662 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
663 задаёт число последовательных неуспешных проверок для определённого сервера, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
664 после которых сервер будет считаться неработоспособным, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
665 по умолчанию 1; |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
666 </tag-desc> |
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Upstream: translated the "health_check" and "match" directives.
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|
667 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
668 <tag-name id="passes"> |
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parents:
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diff
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|
669 <literal>passes</literal>=<value>число</value> |
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Upstream: translated the "health_check" and "match" directives.
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|
670 </tag-name> |
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|
671 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
672 задаёт число последовательных успешных проверок для определённого сервера, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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parents:
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|
673 после которых сервер будет считаться работоспособным, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
674 по умолчанию 1; |
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parents:
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|
675 </tag-desc> |
935fe5eb82c4
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diff
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|
676 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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parents:
1241
diff
changeset
|
677 <tag-name id="uri"> |
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parents:
1241
diff
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|
678 <literal>uri</literal>=<value>uri</value> |
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|
679 </tag-name> |
935fe5eb82c4
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changeset
|
680 <tag-desc> |
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parents:
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diff
changeset
|
681 задаёт URI, используемый в запросах, проверяющих работоспособность, |
935fe5eb82c4
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
682 по умолчанию “<literal>/</literal>”; |
935fe5eb82c4
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changeset
|
683 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
684 |
935fe5eb82c4
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
685 <tag-name id="hc_match"> |
935fe5eb82c4
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diff
changeset
|
686 <literal>match</literal>=<value>имя</value> |
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
687 </tag-name> |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
688 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
689 указывает на блок <literal>match</literal> с условиями, которым должен |
935fe5eb82c4
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Yaroslav Zhuravlev <yar@nginx.com>
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|
690 удовлетворять ответ, чтобы результат проверки считался успешным; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
691 по умолчанию код ответа должен быть 2xx или 3xx. |
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Upstream: translated the "health_check" and "match" directives.
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|
692 </tag-desc> |
935fe5eb82c4
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diff
changeset
|
693 |
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changeset
|
694 </list> |
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|
695 </para> |
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|
696 |
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Upstream: translated the "health_check" and "match" directives.
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|
697 <para> |
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698 В примере |
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699 <example> |
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700 location / { |
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701 proxy_pass http://backend; |
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702 health_check; |
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703 } |
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704 </example> |
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705 каждому серверу группы <literal>backend</literal> |
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706 с интервалом в 5 секунд посылаются запросы “<literal>/</literal>”. |
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707 Если происходит ошибка или таймаут при работе с сервером, или |
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708 код ответа проксируемого сервера не равен |
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709 2xx или 3xx, проверка считается неуспешной и сервер |
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710 признаётся неработоспособным. |
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711 На неработоспособные серверы клиентские запросы передаваться не будут. |
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712 </para> |
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713 |
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714 <para> |
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715 Проверки работоспособности могут тестировать код ответа, |
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716 наличие или отсутствие определённых полей заголовка и их значений, |
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717 а также содержимое тела ответа. |
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718 Тесты настраиваются отдельно при помощи директивы <link id="match"/> |
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719 и указываются в параметре <literal>match</literal>. |
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720 Например: |
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721 <example> |
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722 http { |
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723 server { |
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724 ... |
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725 location / { |
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726 proxy_pass http://backend; |
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727 health_check match=welcome; |
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|
728 } |
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|
729 } |
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|
730 |
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731 match welcome { |
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732 status 200; |
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|
733 header Content-Type = text/html; |
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|
734 body ~ "Welcome to nginx!"; |
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735 } |
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736 } |
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737 </example> |
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|
738 В такой конфигурации успешный ответ на проверочный запрос |
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739 должен иметь код 200, тип содержимого “<literal>text/html</literal>” |
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740 и “<literal>Welcome to nginx!</literal>” в теле ответа. |
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|
741 </para> |
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742 |
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|
743 <para> |
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744 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
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745 </para> |
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|
746 |
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747 <para> |
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748 Если для группы задано несколько проверок, |
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749 то при любой неуспешной проверке соответствующий сервер будет |
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750 считаться неработоспособным. |
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751 </para> |
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752 |
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753 <para> |
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754 <note> |
1348
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Documented that with health checks most variables are useless.
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|
755 Обратите внимание, что при использовании проверок |
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Documented that with health checks most variables are useless.
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|
756 большинство переменных имеют пустые значения. |
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Documented that with health checks most variables are useless.
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|
757 </note> |
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Documented that with health checks most variables are useless.
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|
758 </para> |
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diff
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|
759 |
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|
760 <para> |
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|
761 <note> |
1242
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762 Эта директива доступна как часть |
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763 <commercial_version>коммерческой подписки</commercial_version>. |
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764 </note> |
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765 </para> |
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766 |
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767 </directive> |
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768 |
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|
769 |
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770 <directive name="match"> |
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771 <syntax block="yes"><value>имя</value></syntax> |
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772 <default/> |
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773 <context>http</context> |
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774 |
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|
775 <para> |
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776 Задаёт именованный набор тестов для анализа ответов |
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777 на запросы проверки работоспособности. |
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778 </para> |
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779 |
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780 <para> |
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781 В ответе могут быть протестированы следующие объекты: |
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782 <list type="tag"> |
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783 |
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784 <tag-name><literal>status 200;</literal></tag-name> |
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785 <tag-desc>код ответа равен 200</tag-desc> |
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786 |
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787 <tag-name><literal>status ! 500;</literal></tag-name> |
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788 <tag-desc>код ответа не равен 500</tag-desc> |
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789 |
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790 <tag-name><literal>status 200 204;</literal></tag-name> |
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791 <tag-desc>код ответа равен 200 или 204</tag-desc> |
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792 |
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793 <tag-name><literal>status ! 301 302;</literal></tag-name> |
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794 <tag-desc>код ответа не равен ни 301, ни 302</tag-desc> |
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795 |
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796 <tag-name><literal>status 200-399;</literal></tag-name> |
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797 <tag-desc>код ответа находится в диапазоне от 200 до 399</tag-desc> |
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798 |
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799 <tag-name><literal>status ! 400-599;</literal></tag-name> |
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800 <tag-desc>код ответа находится вне диапазона от 400 до 599</tag-desc> |
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801 |
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|
802 <tag-name><literal>status 301-303 307;</literal></tag-name> |
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diff
changeset
|
803 <tag-desc>код ответа равен 301, 302, 303 или 307</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
804 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
805 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
806 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
807 <list type="tag"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
808 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
809 <tag-name><literal>header Content-Type = text/html;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
810 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
811 заголовок содержит <header>Content-Type</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
812 со значением <literal>text/html</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
813 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
814 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
815 <tag-name><literal>header Content-Type != text/html;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
816 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
817 заголовок содержит <header>Content-Type</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
818 со значением, отличным от <literal>text/html</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
819 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
820 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
821 <tag-name><literal>header Connection ~ close;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
822 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
823 заголовок содержит <header>Connection</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
824 со значением, совпадающим с регулярным выражением <literal>close</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
825 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
826 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
827 <tag-name><literal>header Connection !~ close;</literal></tag-name> |
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Upstream: translated the "health_check" and "match" directives.
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changeset
|
828 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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|
829 заголовок содержит <header>Connection</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
830 со значением, не совпадающим с регулярным выражением <literal>close</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
831 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
832 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
833 <tag-name><literal>header Host;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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|
834 <tag-desc>заголовок содержит <header>Host</header></tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
835 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
836 <tag-name><literal>header ! X-Accel-Redirect;</literal></tag-name> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
837 <tag-desc>заголовок не содержит <header>X-Accel-Redirect</header></tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
838 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
839 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
840 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
841 <list type="tag"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
842 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
843 <tag-name><literal>body ~ "Welcome to nginx!";</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
844 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
845 тело ответа совпадает с регулярным выражением |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
846 “<literal>Welcome to nginx!</literal>” |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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|
847 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
848 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
849 <tag-name><literal>body !~ "Welcome to nginx!";</literal></tag-name> |
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Upstream: translated the "health_check" and "match" directives.
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|
850 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
851 тело ответа не совпадает с регулярным выражением |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
852 “<literal>Welcome to nginx!</literal>” |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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parents:
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diff
changeset
|
853 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
854 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
855 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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|
856 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
857 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
858 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
859 Если задано несколько тестов, |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
860 то ответ должен удовлетворять всем тестам. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
861 <note> |
935fe5eb82c4
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changeset
|
862 Проверяются только первые 256 Кбайт тела ответа. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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changeset
|
863 </note> |
935fe5eb82c4
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|
864 </para> |
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|
865 |
935fe5eb82c4
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changeset
|
866 <para> |
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Upstream: translated the "health_check" and "match" directives.
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changeset
|
867 Примеры: |
935fe5eb82c4
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|
868 <example> |
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changeset
|
869 # код ответа 200, тип содержимого "text/html" |
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|
870 # и тело ответа содержит "Welcome to nginx!" |
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|
871 match welcome { |
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|
872 status 200; |
935fe5eb82c4
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|
873 header Content-Type = text/html; |
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|
874 body ~ "Welcome to nginx!"; |
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|
875 } |
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changeset
|
876 </example> |
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|
877 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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|
878 <example> |
935fe5eb82c4
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changeset
|
879 # код ответа не равен 301, 302, 303 и 307 и заголовок не содержит "Refresh:" |
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|
880 match not_redirect { |
935fe5eb82c4
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|
881 status ! 301-303 307; |
935fe5eb82c4
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|
882 header ! Refresh; |
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|
883 } |
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884 </example> |
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|
885 |
935fe5eb82c4
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|
886 <example> |
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changeset
|
887 # код ответа успешный и сервер не в сервисном режиме |
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888 match server_ok { |
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|
889 status 200-399; |
935fe5eb82c4
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|
890 body !~ "maintenance mode"; |
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891 } |
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892 </example> |
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|
893 |
935fe5eb82c4
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changeset
|
894 </para> |
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|
895 |
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896 <para> |
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897 <note> |
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|
898 Эта директива доступна как часть |
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diff
changeset
|
899 <commercial_version>коммерческой подписки</commercial_version>. |
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900 </note> |
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|
901 </para> |
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changeset
|
902 |
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|
903 </directive> |
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|
904 |
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|
905 |
1122
594093ef96b1
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diff
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|
906 <directive name="queue"> |
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|
907 <syntax> |
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diff
changeset
|
908 <value>число</value> |
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diff
changeset
|
909 [<literal>timeout</literal>=<value>время</value>]</syntax> |
594093ef96b1
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diff
changeset
|
910 <default/> |
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Upstream: documented the "queue" directive.
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diff
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|
911 <context>upstream</context> |
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Upstream: documented the "queue" directive.
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diff
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|
912 <appeared-in>1.5.12</appeared-in> |
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Upstream: documented the "queue" directive.
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diff
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|
913 |
594093ef96b1
Upstream: documented the "queue" directive.
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|
914 <para> |
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Upstream: documented the "queue" directive.
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|
915 Если при обработке запроса невозможно сразу выбрать сервер группы |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
916 и в группе есть серверы, у которых число соединений достигло |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
917 ограничения <link id="max_conns"/>, |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
918 запрос будет помещён в очередь. |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
919 Директива задаёт максимальное число запросов, которые могут одновременно |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
920 находиться в очереди. |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
921 Если очередь переполнена |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
922 или за время, задаваемое параметром <literal>timeout</literal>, |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
923 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
|
924 клиенту будет возвращена ошибка |
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1587
diff
changeset
|
925 <http-status code="502" text="Bad Gateway"/>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
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|
926 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
927 |
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Upstream: documented the "queue" directive.
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diff
changeset
|
928 <para> |
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Upstream: documented the "queue" directive.
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diff
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|
929 По умолчанию параметр <literal>timeout</literal> равен 60 секундам. |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
930 </para> |
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Upstream: documented the "queue" directive.
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diff
changeset
|
931 |
594093ef96b1
Upstream: documented the "queue" directive.
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|
932 <para> |
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Upstream: documented the "queue" directive.
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diff
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|
933 <note> |
1128
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
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1127
diff
changeset
|
934 Эта директива доступна как часть |
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
935 <commercial_version>коммерческой подписки</commercial_version>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
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diff
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|
936 </note> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
937 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
938 |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
939 </directive> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
940 |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
941 |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
942 <directive name="sticky"> |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
943 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
944 <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
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|
945 [<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
|
946 [<literal>domain=</literal><value>домен</value>] |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
947 [<literal>httponly</literal>] |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
948 [<literal>secure</literal>] |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
949 [<literal>path=</literal><value>путь</value>]</syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
950 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
1243
diff
changeset
|
951 <literal>route</literal> <value>переменная</value> ...</syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
952 <syntax> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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diff
changeset
|
953 <literal>learn</literal> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
954 <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
|
955 <literal>lookup=</literal><value>$переменная</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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parents:
1243
diff
changeset
|
956 <literal>zone=</literal><value>имя</value>:<value>размер</value> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
957 [<literal>timeout=</literal><value>время</value>]</syntax> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
958 <default/> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
959 <context>upstream</context> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
960 <appeared-in>1.5.7</appeared-in> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
961 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
962 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
963 Включает режим привязки сеансов, в котором запросы клиента |
314801ed88e7
Upstream: translated the "sticky" directive.
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1230
diff
changeset
|
964 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
|
965 Доступны три метода: |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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parents:
1243
diff
changeset
|
966 <list type="tag"> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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1243
diff
changeset
|
967 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name> |
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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parents:
1243
diff
changeset
|
968 <tag-desc> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
969 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
970 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
971 При использовании метода <literal>cookie</literal> информация о |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
972 назначенном сервере передаётся в HTTP-куке: |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
973 <example> |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
974 upstream backend { |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
975 server backend1.example.com; |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
976 server backend2.example.com; |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
977 |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
978 sticky cookie srv_id expires=1h domain=.example.com path=/; |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
979 } |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
980 </example> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
981 </para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
982 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
983 <para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
984 Запрос от клиента, ещё не привязанного к определённому серверу, |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
985 передаётся на сервер, выбранный согласно настроенному методу балансировки. |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
986 Дальнейшие запросы от этого клиента передаются на тот же сервер. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
987 Если назначенный сервер не может обработать запрос, выбирается новый |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
988 сервер как если бы клиент не имел привязки к серверу. |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
989 </para> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
990 |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
991 <para> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
992 Первый параметр задаёт имя куки, которую необходимо установить или проверить. |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
993 Дополнительные параметры могут быть следующими: |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
994 <list type="tag"> |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
995 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
996 <tag-name><literal>expires=</literal><value>время</value></tag-name> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
1230
diff
changeset
|
997 <tag-desc> |
1450
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Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
998 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку. |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
999 Специальное значение <literal>max</literal> устанавливает срок хранения куки до |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1000 31 декабря 2037 года 23:55:55 GMT. |
314801ed88e7
Upstream: translated the "sticky" directive.
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parents:
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diff
changeset
|
1001 Если параметр не указан, то время действия куки ограничивается сессией браузера. |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1002 </tag-desc> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1003 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
1004 <tag-name><literal>domain=</literal><value>домен</value></tag-name> |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1005 <tag-desc> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1006 Задаёт <value>домен</value>, для которого устанавливается кука. |
1234
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1007 </tag-desc> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1008 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1009 <tag-name><literal>httponly</literal></tag-name> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1010 <tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1011 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11). |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
1012 </tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1013 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1014 <tag-name><literal>secure</literal></tag-name> |
1234
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1015 <tag-desc> |
1450
f5b5eefc43cb
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parents:
1418
diff
changeset
|
1016 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11). |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
changeset
|
1017 </tag-desc> |
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1018 |
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1019 <tag-name><literal>path=</literal><value>путь</value></tag-name> |
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1020 <tag-desc> |
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1021 Задаёт <value>путь</value>, для которого устанавливается кука. |
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1022 </tag-desc> |
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1023 |
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1024 </list> |
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1025 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет. |
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1026 </para> |
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1027 </tag-desc> |
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1028 |
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1029 <tag-name id="sticky_route"><literal>route</literal></tag-name> |
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1030 <tag-desc> |
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1031 |
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1032 <para> |
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1033 При использовании метода <literal>route</literal> проксируемый сервер назначает |
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1034 клиенту маршрут по получении первого запроса. |
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1035 Все последующие запросы от этого клиента будут содержать информацию о |
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1036 маршруте в куке или URI. |
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1037 Эта информация сравнивается с параметром “<literal>route</literal>” директивы |
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1038 <link id="server"/> для идентификации сервера, на который |
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1039 следует проксировать запрос. |
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1040 Если назначенный сервер не может обработать запрос, выбирается новый сервер |
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1041 согласно настроенному методу балансировки как если бы в запросе не было |
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1042 информации о маршруте. |
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1043 </para> |
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1044 |
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1045 <para> |
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1046 Параметры метода <literal>route</literal> задают переменные, которые |
1238
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|
1047 могут содержать информацию о маршруте. |
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1048 Первая непустая переменная используется для поиска соответствующего сервера. |
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1049 </para> |
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1050 |
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1051 <para> |
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1052 Пример: |
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1053 <example> |
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1054 map $cookie_jsessionid $route_cookie { |
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1055 ~.+\.(?P<route>\w+)$ $route; |
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1056 } |
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1057 |
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1058 map $request_uri $route_uri { |
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1059 ~jsessionid=.+\.(?P<route>\w+)$ $route; |
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1060 } |
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1061 |
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1062 upstream backend { |
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1063 server backend1.example.com route=a; |
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1064 server backend2.example.com route=b; |
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1065 |
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1066 sticky route $route_cookie $route_uri; |
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1067 } |
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1068 </example> |
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1069 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”, |
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1070 если она присутствует в запросе. |
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1071 В противном случае используется маршрут из URI. |
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1072 </para> |
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1073 |
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1074 </tag-desc> |
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1075 |
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1076 <tag-name id="sticky_learn"><literal>learn</literal></tag-name> |
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1077 <tag-desc> |
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1078 <para> |
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1079 При использовании метода <literal>learn</literal> (1.7.1) nginx |
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1080 анализирует ответы от вышестоящего сервера и запоминает |
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1081 начатые им сессии, которые обычно передаются в HTTP-куке. |
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1082 <example> |
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1083 upstream backend { |
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1084 server backend1.example.com:8080; |
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1085 server backend2.example.com:8081; |
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1086 |
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1087 sticky learn |
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1088 create=$upstream_cookie_examplecookie |
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1089 lookup=$cookie_examplecookie |
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1090 zone=client_sessions:1m; |
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1091 } |
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1092 </example> |
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1093 |
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1094 В примере выше сервер группы создаёт сессию путём установки |
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1095 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе. |
1259
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1096 Последующие запросы с этой кукой будут передаваться на этот же сервер. |
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1097 Если сервер не может обработать запрос, выбирается новый |
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1098 сервер как если бы клиент не имел привязки к серверу. |
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1099 </para> |
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1100 |
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1101 <para> |
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1102 Параметры <literal>create</literal> и <literal>lookup</literal> |
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1103 задают переменные, в которых соответственно указывается способ |
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1104 создания новых и поиска существующих сессий. |
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1105 Оба параметра могут быть указаны больше одного раза |
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1106 (в этом случае используется первая непустая переменная). |
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1107 </para> |
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1108 |
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1109 <para> |
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1110 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и |
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1111 <value>размер</value> которой задаются параметром <literal>zone</literal>. |
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1112 Зоны размером в 1 мегабайт достаточно для хранения около 8 тысяч сессий |
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1113 на 64-битной платформе. |
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1114 Сессии, к которым не было обращений в течение времени, заданного параметром |
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1115 <literal>timeout</literal>, удаляются из зоны. |
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1116 По умолчанию <literal>timeout</literal> равен 10 минутам. |
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1117 </para> |
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1118 |
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1119 </tag-desc> |
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1120 </list> |
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1121 </para> |
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1122 |
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1123 <para> |
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1124 <note> |
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Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1125 Эта директива доступна как часть |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1126 <commercial_version>коммерческой подписки</commercial_version>. |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1127 </note> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1128 </para> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1129 |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1130 </directive> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1131 |
1237
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1132 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1133 <directive name="sticky_cookie_insert"> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1134 <syntax><value>имя</value> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1135 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1136 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1137 [<literal>path=</literal><value>путь</value>]</syntax> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1138 <default/> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1139 <context>upstream</context> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1140 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1141 <para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1142 Эта директива устарела начиная с версии 1.5.7. |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1143 Вместо неё следует использовать аналогичную директиву |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1144 <link id="sticky"/> с изменённым синтаксисом: |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1145 <note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1146 <literal>sticky cookie</literal> <value>имя</value> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1147 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1148 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1149 [<literal>path=</literal><value>путь</value>]; |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1150 </note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1151 </para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1152 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1153 </directive> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1154 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1155 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1156 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1157 |
292 | 1158 <section id="variables" name="Встроенные переменные"> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1159 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1160 <para> |
292 | 1161 Модуль <literal>ngx_http_upstream_module</literal> |
1162 поддерживает следующие встроенные переменные: | |
1163 <list type="tag"> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1164 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1165 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
292 | 1166 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1167 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
|
1168 Если при обработке запроса были сделаны обращения к нескольким серверам, |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1169 то их адреса разделяются запятой, например, |
292 | 1170 “<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
|
1171 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
|
1172 с помощью |
292 | 1173 <header>X-Accel-Redirect</header> или |
1174 <link doc="ngx_http_core_module.xml" id="error_page"/>, | |
966 | 1175 то адреса, соответствующие разным группам серверов, разделяются двоеточием, |
1176 например, | |
292 | 1177 “<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>”. |
1178 </tag-desc> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1179 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1180 <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
|
1181 </tag-name> |
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 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
|
1184 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
|
1185 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”, |
1016
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1186 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”, |
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1187 “<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
|
1188 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1189 |
1481
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1190 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1191 </tag-name> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1192 <tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1193 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
|
1194 время хранится в секундах с точностью до миллисекунд. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1195 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
|
1196 Времена нескольких соединений |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1197 разделяются запятыми и двоеточиями подобно адресам в переменной |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1198 <link id="var_upstream_addr">$upstream_addr</link>. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1199 </tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1200 |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1201 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value> |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1202 </tag-name> |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1203 <tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1204 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
|
1205 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
|
1206 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
|
1207 последнего сервера. |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1208 </tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1209 |
1393
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1210 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1211 </tag-name> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1212 <tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1213 хранит время, |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1214 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
|
1215 время хранится в секундах с точностью до миллисекунд. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1216 Времена нескольких ответов |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1217 разделяются запятыми и двоеточиями подобно адресам в переменной |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1218 <link id="var_upstream_addr">$upstream_addr</link>. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1219 </tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1220 |
1392
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1221 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1222 <tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1223 хранят поля заголовка ответа сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1224 Например, поле заголовка ответа <header>Server</header> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1225 доступно в переменной <var>$upstream_http_server</var>. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1226 Правила преобразования имён полей заголовка ответа в имена переменных |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1227 такие же, как для переменных с префиксом |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1228 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1229 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
|
1230 последнего сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1231 </tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1232 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1233 <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
|
1234 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1235 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1236 хранит длину ответа, полученного от сервера группы (0.7.27); |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1237 длина хранится в байтах. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1238 Длины нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1239 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1240 <link id="var_upstream_addr">$upstream_addr</link>. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1241 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1242 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1243 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1244 </tag-name> |
292 | 1245 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1246 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
|
1247 время хранится в секундах с точностью до миллисекунд. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1248 Времена нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1249 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1250 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1251 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1252 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1253 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name> |
292 | 1254 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1255 хранит статус ответа, полученного от сервера группы. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1256 Статусы нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1257 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1258 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1259 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1260 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1261 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1262 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1263 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1264 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1265 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1266 </module> |