annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 2067:014323d0cc38

Highlighted the "number" value in the queue directive.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 24 Oct 2017 18:14:43 +0300
parents 7275c134ec67
children fee7627f6a5a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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10 <module name="Модуль ngx_http_upstream_module"
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11 link="/ru/docs/http/ngx_http_upstream_module.html"
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12 lang="ru"
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13 rev="65">
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14
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15 <section id="summary">
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16
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17 <para>
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18 Модуль <literal>ngx_http_upstream_module</literal>
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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"/>,
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22 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>,
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23 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>,
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24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/> 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
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31 <section id="example" name="Пример конфигурации">
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32
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33 <para>
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34 <example>
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35 upstream <emphasis>backend</emphasis> {
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36 server backend1.example.com weight=5;
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37 server backend2.example.com:8080;
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38 server unix:/tmp/backend3;
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39
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40 server backup1.example.com:8080 backup;
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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 / {
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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 с периодическими
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55 <link doc="ngx_http_upstream_hc_module.xml">проверками работоспособности</link>
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56 доступна как часть
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57 <commercial_version>коммерческой подписки</commercial_version>:
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58 <example>
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59 resolver 10.0.0.1;
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60
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61 upstream <emphasis>dynamic</emphasis> {
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62 zone upstream_dynamic 64k;
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63
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64 server backend1.example.com weight=5;
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65 server backend2.example.com:8080 fail_timeout=5s slow_start=30s;
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66 server 192.0.2.1 max_fails=3;
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67 server backend3.example.com resolve;
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68 server backend4.example.com service=http resolve;
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69
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70 server backup1.example.com:8080 backup;
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71 server backup2.example.com:8080 backup;
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72 }
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73
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74 server {
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75 location / {
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76 proxy_pass http://<emphasis>dynamic</emphasis>;
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77 health_check;
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78 }
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79 }
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80 </example>
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81 </para>
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82
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83 </section>
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84
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85
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86 <section id="directives" name="Директивы">
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87
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88 <directive name="upstream">
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89 <syntax block="yes"><value>название</value></syntax>
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90 <default/>
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91 <context>http</context>
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92
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93 <para>
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94 Описывает группу серверов.
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95 Серверы могут слушать на разных портах.
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96 Кроме того, можно одновременно использовать серверы,
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97 слушающие на TCP- и UNIX-сокетах.
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98 </para>
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99
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100 <para>
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101 Пример:
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102 <example>
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103 upstream backend {
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104 server backend1.example.com weight=5;
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105 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s;
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106 server unix:/tmp/backend3;
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107
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108 server backup1.example.com backup;
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109 }
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110 </example>
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111 </para>
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112
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113 <para>
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114 По умолчанию запросы распределяются по серверам циклически
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115 (в режиме round-robin) с учётом весов серверов.
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116 В вышеприведённом примере каждые 7 запросов будут распределены так:
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117 5 запросов на <literal>backend1.example.com</literal>
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118 и по одному запросу на второй и третий серверы.
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119 Если при попытке работы с сервером происходит ошибка, то запрос
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120 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы
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121 все работающие серверы.
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122 Если не удастся получить успешный ответ
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123 ни от одного из серверов, то клиенту будет возвращён результат работы
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124 с последним сервером.
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125 </para>
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126
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127 </directive>
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128
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129
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130 <directive name="server">
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131 <syntax><value>адрес</value> [<value>параметры</value>]</syntax>
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132 <default/>
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133 <context>upstream</context>
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134
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135 <para>
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136 Задаёт <value>адрес</value> и другие <value>параметры</value>
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137 сервера.
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138 Адрес может быть указан в виде доменного имени или IP-адреса,
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139 и необязательного порта, или в виде пути UNIX-сокета, который
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140 указывается после префикса “<literal>unix:</literal>”.
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141 Если порт не указан, используется порт 80.
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142 Доменное имя, которому соответствует несколько IP-адресов,
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143 задаёт сразу несколько серверов.
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144 </para>
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145
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146 <para>
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147 Могут быть заданы следующие параметры:
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148 <list type="tag">
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149
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150 <tag-name id="weight">
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151 <literal>weight</literal>=<value>число</value>
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152 </tag-name>
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153 <tag-desc>
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154 задаёт вес сервера, по умолчанию 1.
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155 </tag-desc>
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156
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157 <tag-name id="max_conns">
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158 <literal>max_conns</literal>=<value>число</value>
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159 </tag-name>
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160 <tag-desc>
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161 ограничивает максимальное <value>число</value> одновременных активных
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162 соединений к проксируемому серверу (1.11.5).
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163 Значение по умолчанию равно 0 и означает, что ограничения нет.
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164 Если группа не находится в <link id="zone">зоне разделяемой памяти</link>,
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165 то ограничение работает отдельно для каждого рабочего процесса.
1800
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166 <note>
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167 При включённых <link id="keepalive">неактивных постоянных</link> соединениях,
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168 нескольких
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169 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link>
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170 и <link id="zone">зоне разделяемой памяти</link>,
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171 суммарное число активных и неактивных соединений с проксируемым сервером
1800
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172 может превышать значение <literal>max_conns</literal>.
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173 </note>
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174 <note>
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175 Начиная с версии 1.5.9 и до версии 1.11.5
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176 этот параметр был доступен как часть
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177 <commercial_version>коммерческой подписки</commercial_version>.
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178 </note>
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179 </tag-desc>
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180
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181 <tag-name id="max_fails">
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182 <literal>max_fails</literal>=<value>число</value>
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183 </tag-name>
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184 <tag-desc>
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185 задаёт число неудачных попыток работы с сервером, которые должны произойти
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186 в течение времени, заданного параметром <literal>fail_timeout</literal>,
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187 чтобы сервер считался недоступным на период времени, также заданный
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188 параметром <literal>fail_timeout</literal>.
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189 По умолчанию число попыток устанавливается равным 1.
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190 Нулевое значение отключает учёт попыток.
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191 Что считается неудачной попыткой, определяется директивами
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192 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>,
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193 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>,
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194 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>,
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195 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/> и
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196 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/>.
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197 </tag-desc>
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198
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199 <tag-name id="fail_timeout">
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200 <literal>fail_timeout</literal>=<value>время</value>
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201 </tag-name>
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202 <tag-desc>
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203 задаёт
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204 <list type="bullet">
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205
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206 <listitem>
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207 время, в течение которого должно произойти заданное число неудачных
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208 попыток работы с сервером для того, чтобы сервер считался недоступным;
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209 </listitem>
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210
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211 <listitem>
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212 и время, в течение которого сервер будет считаться недоступным.
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213 </listitem>
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214
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215 </list>
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216 По умолчанию параметр равен 10 секундам.
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217 </tag-desc>
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218
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219 <tag-name id="backup">
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220 <literal>backup</literal>
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221 </tag-name>
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222 <tag-desc>
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223 помечает сервер как запасной сервер.
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224 На него будут передаваться запросы в случае, если не работают основные серверы.
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225 </tag-desc>
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226
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227 <tag-name id="down">
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228 <literal>down</literal>
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229 </tag-name>
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230 <tag-desc>
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231 помечает сервер как постоянно недоступный.
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232 </tag-desc>
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233
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234 </list>
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235 </para>
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236
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237 <para>
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238 Кроме того,
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239 следующие параметры доступны как часть
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240 <commercial_version>коммерческой подписки</commercial_version>:
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241 <list type="tag">
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242
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243 <tag-name id="resolve">
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244 <literal>resolve</literal>
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245 </tag-name>
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246 <tag-desc>
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247 отслеживает изменения IP-адресов, соответствующих доменному имени сервера,
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248 и автоматически изменяет конфигурацию группы
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249 без необходимости перезапуска nginx (1.5.12).
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250 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>.
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251 <para>
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252 Для работы этого параметра
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253 директива <link doc="ngx_http_core_module.xml" id="resolver"/>
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254 должна быть задана в блоке
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255 <link doc="ngx_http_core_module.xml" id="http"/>.
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256 Пример:
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257 <example>
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258 http {
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259 resolver 10.0.0.1;
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260
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261 upstream u {
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262 zone ...;
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263 ...
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264 server example.com resolve;
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265 }
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266 }
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267 </example>
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268 </para>
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269 </tag-desc>
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270
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271 <tag-name id="route">
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272 <literal>route</literal>=<value>строка</value>
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273 </tag-name>
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274 <tag-desc>
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275 задаёт имя маршрута к серверу.
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276 </tag-desc>
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277
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278 <tag-name id="service">
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279 <literal>service</literal>=<value>имя</value>
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280 </tag-name>
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281 <tag-desc>
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282 включает преобразование
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283 <link url="https://tools.ietf.org/html/rfc2782">SRV</link>-записей
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284 DNS и задаёт <value>имя</value> сервиса (1.9.13).
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285 Для работы параметра необходимо указать
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286 параметр <link id="resolve"/> для сервера
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287 и не указывать порт сервера.
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288 <para>
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289 Если имя сервиса не содержит точку (“<literal>.</literal>”), то
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290 имя составляется в соответствии с
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291 <link url="https://tools.ietf.org/html/rfc2782">RFC</link>
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292 и в префикс службы добавляется протокол TCP.
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293 Например, для получения
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294 SRV-записи <literal>_http._tcp.backend.example.com</literal>
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295 необходимо указать директиву:
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296 <example>
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297 server backend.example.com service=http resolve;
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298 </example>
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299 Если имя сервиса содержит одну и более точек, то имя составляется
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300 при помощи соединения префикса службы и имени сервера.
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301 Например, для получения SRV-записей
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302 <literal>_http._tcp.backend.example.com</literal>
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303 и <literal>server1.backend.example.com</literal>
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304 необходимо указать директивы:
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305 <example>
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306 server backend.example.com service=_http._tcp resolve;
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307 server example.com service=server1.backend resolve;
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308 </example>
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309 </para>
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310
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311 <para>
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312 SRV-записи с наивысшим приоритетом
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313 (записи с одинаковым наименьшим значением приоритета)
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314 преобразуются в основные серверы,
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315 остальные SRV-записи преобразуются в запасные серверы.
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316 Если в конфигурации сервера указан параметр <link id="backup"/>,
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317 высокоприоритетные SRV-записи преобразуются в запасные серверы,
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318 остальные SRV-записи игнорируются.
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319 </para>
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320 </tag-desc>
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321
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322 <tag-name id="slow_start">
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323 <literal>slow_start</literal>=<value>время</value>
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324 </tag-name>
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325 <tag-desc>
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326 задаёт <value>время</value>, в течение которого вес сервера
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327 восстановится от нуля до своего номинального значения в ситуации, когда
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328 неработоспособный (unhealthy) сервер вновь становится работоспособным
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329 (<link doc="ngx_http_upstream_hc_module.xml" id="health_check">healthy</link>)
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330 или когда сервер становится доступным по прошествии времени,
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331 в течение которого он считался <link id="fail_timeout">недоступным</link>.
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332 Значение по умолчанию равно нулю и означает, что медленный старт выключен.
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333 <note>
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334 Параметр нельзя использовать совместно с
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335 методами балансировки нагрузки <link id="hash"/> и <link id="ip_hash"/>.
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336 </note>
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337 </tag-desc>
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338
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339 </list>
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340 </para>
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341
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342 <para>
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343 <note>
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344 Если в группе только один сервер, параметры <literal>max_fails</literal>,
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345 <literal>fail_timeout</literal> и <literal>slow_start</literal>
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346 игнорируются и такой сервер никогда не будет считаться недоступным.
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347 </note>
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348 </para>
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349
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350 </directive>
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351
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352
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353 <directive name="zone">
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354 <syntax><value>имя</value> [<value>размер</value>]</syntax>
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355 <default/>
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356 <context>upstream</context>
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357 <appeared-in>1.9.0</appeared-in>
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358
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359 <para>
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360 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти,
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361 в которой хранятся конфигурация группы и её рабочее состояние,
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362 разделяемые между рабочими процессами.
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363 В одной и той же зоне могут быть сразу несколько групп.
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diff changeset
364 В этом случае достаточно указать <value>размер</value> только один раз.
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365 </para>
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366
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367 <para>
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368 Дополнительно, как часть
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369 <commercial_version>коммерческой подписки</commercial_version>,
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370 в таких группах для изменения состава группы
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diff changeset
371 или настроек отдельных серверов
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diff changeset
372 нет необходимости перезапускать nginx.
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373 Конфигурация доступна через специальный location,
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diff changeset
374 в котором указана директива
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diff changeset
375 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>.
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376 </para>
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377
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378 </directive>
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379
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diff changeset
380
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diff changeset
381 <directive name="state">
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diff changeset
382 <syntax><value>файл</value></syntax>
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383 <default/>
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diff changeset
384 <context>upstream</context>
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diff changeset
385 <appeared-in>1.9.7</appeared-in>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
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parents: 1625
diff changeset
386
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
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parents: 1625
diff changeset
387 <para>
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diff changeset
388 Задаёт <value>файл</value>, в котором хранится состояние
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diff changeset
389 динамически настраиваемой группы.
1809
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
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diff changeset
390 </para>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
391
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
392 <para>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
393 Примеры:
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
394 <example>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
395 state /var/lib/nginx/state/servers.conf; # путь для Linux
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
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parents: 1801
diff changeset
396 state /var/db/nginx/state/servers.conf; # путь для FreeBSD
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
397 </example>
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
398 </para>
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
399
2245f2827e2f Added examples of Linux and FreeBSD paths to "state" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1801
diff changeset
400 <para>
1636
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
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parents: 1625
diff changeset
401 В данный момент состояние ограничено списком серверов с их параметрами.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
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parents: 1625
diff changeset
402 Файл читается при парсинге конфигурации и обновляется каждый раз при
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
403 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf">изменении</link>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
404 конфигурации группы.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
405 Изменение содержимого файла напрямую не рекомендуется.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
406 Директиву нельзя использовать
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
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parents: 1625
diff changeset
407 совместно с директивой <link id="server"/>.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
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parents: 1625
diff changeset
408 </para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
409
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
410 <para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
411 <note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
412 Изменения, совершённые в момент
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
413 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
414 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>,
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
415 могут быть потеряны.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
416 </note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
417 </para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
418
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
419 <para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
420 <note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
421 Эта директива доступна как часть
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
422 <commercial_version>коммерческой подписки</commercial_version>.
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
423 </note>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
424 </para>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
425
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
426 </directive>
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
427
44c4323144c5 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1625
diff changeset
428
1230
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
429 <directive name="hash">
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
430 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
431 <default/>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
432 <context>upstream</context>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
433 <appeared-in>1.7.2</appeared-in>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
434
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
435 <para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
436 Задаёт метод балансировки нагрузки для группы, при котором
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
437 соответствие клиента серверу определяется при помощи
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
438 хэшированного значения <value>ключа</value>.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
439 В качестве <value>ключа</value> может использоваться
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
440 текст, переменные и их комбинации.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
441 Следует отметить, что любое добавление или удаление серверов в группе
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
442 может привести к перераспределению большинства ключей на другие серверы.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
443 Метод совместим с библиотекой Perl
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
444 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
445 </para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
446
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
447 <para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
448 Если задан параметр <literal>consistent</literal>, то вместо
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
449 вышеописанного метода будет использоваться метод консистентного хэширования
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
450 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
451 Метод гарантирует, что при добавлении сервера в группу или его удалении
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
452 на другие серверы будет перераспределено минимальное число ключей.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
453 Применение метода для кэширующих серверов обеспечивает
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
454 больший процент попаданий в кэш.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
455 Метод совместим с библиотекой Perl
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
456 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
457 при значении параметра <value>ketama_points</value> равным 160.
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
458 </para>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
459
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
460 </directive>
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
461
6cc809881694 Upstream: added the "hash" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1194
diff changeset
462
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
463 <directive name="ip_hash">
102
c76a257f3fd4 The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
parents: 99
diff changeset
464 <syntax/>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
465 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
466 <context>upstream</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
467
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
468 <para>
533
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
469 Задаёт для группы метод балансировки нагрузки, при котором запросы
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
470 распределяются по серверам на основе IP-адресов клиентов.
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
471 В качестве ключа для хэширования используются первые три
542
a9e6a8613534 Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents: 533
diff changeset
472 октета IPv4-адреса клиента или IPv6-адрес клиента целиком.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
473 Метод гарантирует, что запросы одного и того же клиента
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
474 будут всегда передаваться на один и тот же сервер.
1240
019f8273ee24 Upstream: translated the missing parts of the "server" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1238
diff changeset
475 Если же этот сервер будет считаться недоступным,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
476 то запросы этого клиента будут передаваться на другой сервер.
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
477 С большой долей вероятности это также будет один и тот же сервер.
542
a9e6a8613534 Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents: 533
diff changeset
478 <note>
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 542
diff changeset
479 IPv6-адреса поддерживаются начиная с версий 1.3.2 и 1.2.2.
542
a9e6a8613534 Documented IPv6 support in ip_hash.
Ruslan Ermilov <ru@nginx.com>
parents: 533
diff changeset
480 </note>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
481 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
482
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
483 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
484 Если один из серверов нужно убрать на некоторое время, то для сохранения
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
485 текущего хэширования IP-адресов клиентов этот сервер нужно пометить
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
486 параметром <literal>down</literal>.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
487 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
488
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
489 <para>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
490 Пример:
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
491 <example>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
492 upstream backend {
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
493 ip_hash;
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
494
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
495 server backend1.example.com;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
496 server backend2.example.com;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
497 server backend3.example.com <emphasis>down</emphasis>;
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
498 server backend4.example.com;
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
499 }
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
500 </example>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
501 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
502
526
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
503 <para>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
504 <note>
566
f8148fc88224 Documented 1.2.2 changes.
Ruslan Ermilov <ru@nginx.com>
parents: 542
diff changeset
505 До версий 1.3.1 и 1.2.2 для серверов, использующих метод балансировки нагрузки
526
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
506 <literal>ip_hash</literal>, нельзя было задать вес.
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
507 </note>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
508 </para>
4f907cde0382 1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents: 367
diff changeset
509
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
510 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
511
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
512
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
513 <directive name="keepalive">
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
514 <syntax><value>соединения</value></syntax>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
515 <default/>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
516 <context>upstream</context>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
517 <appeared-in>1.1.4</appeared-in>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
518
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
519 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
520 Задействует кэш соединений для группы серверов.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
521 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
522
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
523 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
524 Параметр <value>соединения</value> устанавливает максимальное число
654
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
525 неактивных постоянных соединений с серверами группы, которые будут
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
526 сохраняться в кэше каждого рабочего процесса.
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
527 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
528 закрываются.
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
529 <note>
654
841118e33f41 Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents: 589
diff changeset
530 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
531 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
532 рабочие процессы nginx могут открыть.
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
533 Параметр <value>соединения</value> следует устанавливать достаточно
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
534 консервативно, чтобы серверы группы по-прежнему могли обрабатывать
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
535 новые входящие соединения.
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
536 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
537 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
538
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
539 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
540 Пример конфигурации группы серверов memcached с постоянными соединениями:
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
541 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
542 upstream memcached_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
543 server 127.0.0.1:11211;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
544 server 10.0.0.2:11211;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
545
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
546 keepalive 32;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
547 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
548
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
549 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
550 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
551
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
552 location /memcached/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
553 set $memcached_key $uri;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
554 memcached_pass memcached_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
555 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
556
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
557 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
558 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
559 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
560
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
561 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
562 Для HTTP директиву
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
563 <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
564 следует установить в “<literal>1.1</literal>”,
367
f4033b9bc4ec - Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents: 325
diff changeset
565 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
566 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
567 upstream http_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
568 server 127.0.0.1:8080;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
569
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
570 keepalive 16;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
571 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
572
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
573 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
574 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
575
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
576 location /http/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
577 proxy_pass http://http_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
578 proxy_http_version 1.1;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
579 proxy_set_header Connection "";
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
580 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
581 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
582 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
583 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
584 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
585
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
586 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
587 <note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
588 Хоть это и не рекомендуется, но также возможно использование постоянных
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
589 соединений с HTTP/1.0, путём передачи поля заголовка
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
590 <header>Connection: Keep-Alive</header> серверу группы.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
591 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
592 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
593
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
594 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
595 Для работы постоянных соединений с FastCGI-серверами потребуется
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
596 включить директиву
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
597 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>:
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
598 <example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
599 upstream fastcgi_backend {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
600 server 127.0.0.1:9000;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
601
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
602 keepalive 8;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
603 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
604
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
605 server {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
606 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
607
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
608 location /fastcgi/ {
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
609 fastcgi_pass fastcgi_backend;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
610 fastcgi_keep_conn on;
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
611 ...
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
612 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
613 }
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
614 </example>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
615 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
616
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
617 <para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
618 <note>
533
fb630c3c5039 Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents: 526
diff changeset
619 При использовании методов балансировки нагрузки, отличных
316
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
620 от стандартного round-robin, следует активировать их до
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
621 директивы <literal>keepalive</literal>.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
622 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
623
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
624 <note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
625 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений.
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
626 </note>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
627 </para>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
628
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
629 </directive>
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
630
1fb1c077658b Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents: 292
diff changeset
631
1561
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
632 <directive name="ntlm">
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
633 <syntax/>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
634 <default/>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
635 <context>upstream</context>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
636 <appeared-in>1.9.2</appeared-in>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
637
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
638 <para>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
639 Позволяет проксировать запросы с
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
640 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
641 подлинности NTLM</link>.
1587
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
642 Соединение с сервером группы привязывается к клиентскому соединению
1561
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
643 как только клиент отправляет запрос, в заголовке которого есть поле
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
644 <header>Authorization</header> со значением,
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
645 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”.
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
646 Последующие запросы клиента будут проксироваться через это же соединение
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
647 с сервером группы,
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
648 сохраняя контекст аутентификации.
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
649 </para>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
650
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
651 <para>
1587
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
652 Для работы проверки подлинности NTLM
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
653 необходимо разрешить постоянные соединения с серверами группы.
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
654 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
655 следует установить в “<literal>1.1</literal>”,
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
656 а поле заголовка <header>Connection</header> — очистить:
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
657 <example>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
658 upstream http_backend {
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
659 server 127.0.0.1:8080;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
660
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
661 ntlm;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
662 }
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
663
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
664 server {
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
665 ...
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
666
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
667 location /http/ {
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
668 proxy_pass http://http_backend;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
669 proxy_http_version 1.1;
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
670 proxy_set_header Connection "";
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
671 ...
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
672 }
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
673 }
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
674 </example>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
675 </para>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
676
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
677 <para>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
678 <note>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
679 При использовании методов балансировки нагрузки, отличных
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
680 от стандартного round-robin, следует активировать их до
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
681 директивы <literal>ntlm</literal>.
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
682 </note>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
683 </para>
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
684
c2a0a18e65ba Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1581
diff changeset
685 <para>
1561
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
686 <note>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
687 Эта директива доступна как часть
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
688 <commercial_version>коммерческой подписки</commercial_version>.
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
689 </note>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
690 </para>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
691
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
692 </directive>
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
693
ed420c318557 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1544
diff changeset
694
1125
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
695 <directive name="least_conn">
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
696 <syntax/>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
697 <default/>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
698 <context>upstream</context>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
699 <appeared-in>1.3.1</appeared-in>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
700 <appeared-in>1.2.2</appeared-in>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
701
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
702 <para>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
703 Задаёт для группы метод балансировки нагрузки, при котором запрос
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
704 передаётся серверу с наименьшим числом активных соединений,
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
705 с учётом весов серверов.
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
706 Если подходит сразу несколько серверов, они выбираются циклически
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
707 (в режиме round-robin) с учётом их весов.
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
708 </para>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
709
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
710 </directive>
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
711
9a95b9026a16 Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 1124
diff changeset
712
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
713 <directive name="least_time">
1925
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
714 <syntax>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
715 <literal>header</literal> |
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
716 <literal>last_byte</literal>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
717 [<literal>inflight</literal>]</syntax>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
718 <default/>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
719 <context>upstream</context>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
720 <appeared-in>1.7.10</appeared-in>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
721
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
722 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
723 Задаёт для группы метод балансировки нагрузки, при котором запрос
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
724 передаётся серверу с наименьшими средним временем ответа и
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
725 числом активных соединений с учётом весов серверов.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
726 Если подходит сразу несколько серверов, то они выбираются циклически
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
727 (в режиме round-robin) с учётом их весов.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
728 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
729
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
730 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
731 Если указан параметр <literal>header</literal>,
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
732 то учитывается время получения
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
733 <link id="var_upstream_header_time">заголовка ответа</link>.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
734 Если указан параметр <literal>last_byte</literal>, то учитывается
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
735 время получения <link id="var_upstream_response_time">всего ответа</link>.
1925
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
736 Если указан параметр <literal>inflight</literal> (1.11.6),
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
737 то также учитываются незавершённые запросы.
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
738 <note>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
739 До версии 1.11.6 незавершённые запросы учитывались по умолчанию.
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
740 </note>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
741 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
742
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
743 <para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
744 <note>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
745 Эта директива доступна как часть
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
746 <commercial_version>коммерческой подписки</commercial_version>.
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
747 </note>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
748 </para>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
749
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
750 </directive>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
751
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
752
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
753 <directive name="queue">
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
754 <syntax>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
755 <value>число</value>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
756 [<literal>timeout</literal>=<value>время</value>]</syntax>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
757 <default/>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
758 <context>upstream</context>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
759 <appeared-in>1.5.12</appeared-in>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
760
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
761 <para>
1818
574c44d14837 Removed the "max_conns" condition from the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1817
diff changeset
762 Если при обработке запроса невозможно сразу выбрать сервер группы, то
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
763 запрос будет помещён в очередь.
2067
014323d0cc38 Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2062
diff changeset
764 Директива задаёт максимальное <value>число</value> запросов,
014323d0cc38 Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2062
diff changeset
765 которые могут одновременно находиться в очереди.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
766 Если очередь переполнена
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
767 или за время, задаваемое параметром <literal>timeout</literal>,
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
768 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
769 клиенту будет возвращена ошибка
0ba4b2e561bd Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1587
diff changeset
770 <http-status code="502" text="Bad Gateway"/>.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
771 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
772
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
773 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
774 По умолчанию параметр <literal>timeout</literal> равен 60 секундам.
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
775 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
776
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
777 <para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
778 <note>
1925
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
779 При использовании методов балансировки нагрузки, отличных
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
780 от стандартного round-robin, следует активировать их до
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
781 директивы <literal>queue</literal>.
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
782 </note>
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
783
a58b35cc0823 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1891
diff changeset
784 <note>
1128
1594ed379f1f De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents: 1127
diff changeset
785 Эта директива доступна как часть
1594ed379f1f De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents: 1127
diff changeset
786 <commercial_version>коммерческой подписки</commercial_version>.
1122
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
787 </note>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
788 </para>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
789
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
790 </directive>
594093ef96b1 Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1121
diff changeset
791
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
792
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
793 <directive name="sticky">
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
794 <syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
795 <literal>cookie</literal> <value>имя</value>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
796 [<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
797 [<literal>domain=</literal><value>домен</value>]
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
798 [<literal>httponly</literal>]
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
799 [<literal>secure</literal>]
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
800 [<literal>path=</literal><value>путь</value>]</syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
801 <syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
802 <literal>route</literal> <value>переменная</value> ...</syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
803 <syntax>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
804 <literal>learn</literal>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
805 <literal>create=</literal><value>$переменная</value>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
806 <literal>lookup=</literal><value>$переменная</value>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
807 <literal>zone=</literal><value>имя</value>:<value>размер</value>
2028
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
808 [<literal>timeout=</literal><value>время</value>]
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
809 [<literal>header</literal>]</syntax>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
810 <default/>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
811 <context>upstream</context>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
812 <appeared-in>1.5.7</appeared-in>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
813
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
814 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
815 Включает режим привязки сеансов, в котором запросы клиента
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
816 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
817 Доступны три метода:
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
818 <list type="tag">
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
819 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
820 <tag-desc>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
821
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
822 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
823 При использовании метода <literal>cookie</literal> информация о
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
824 назначенном сервере передаётся в HTTP-куке:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
825 <example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
826 upstream backend {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
827 server backend1.example.com;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
828 server backend2.example.com;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
829
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
830 sticky cookie srv_id expires=1h domain=.example.com path=/;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
831 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
832 </example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
833 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
834
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
835 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
836 Запрос от клиента, ещё не привязанного к определённому серверу,
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
837 передаётся на сервер, выбранный согласно настроенному методу балансировки.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
838 Дальнейшие запросы от этого клиента передаются на тот же сервер.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
839 Если назначенный сервер не может обработать запрос, выбирается новый
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
840 сервер как если бы клиент не имел привязки к серверу.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
841 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
842
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
843 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
844 Первый параметр задаёт имя куки, которую необходимо установить или проверить.
2041
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
845 Значением куки является MD5-хэш IP-адреса и порта
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
846 (или пути UNIX-сокета) в шестнадцатеричном виде.
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
847 Однако если указан параметр “<literal>route</literal>”
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
848 директивы <link id="server"/>, то значением куки будет
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
849 значение параметра “<literal>route</literal>”:
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
850 <example>
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
851 upstream backend {
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
852 server backend1.example.com route=<emphasis>a</emphasis>;
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
853 server backend2.example.com route=<emphasis>b</emphasis>;
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
854
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
855 sticky cookie srv_id expires=1h domain=.example.com path=/;
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
856 }
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
857 </example>
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
858 В этом случае значение куки “<literal>srv_id</literal>” будет
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
859 или <value>a</value>, или <value>b</value>.
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
860 </para>
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
861
29b68a7b42fc Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2028
diff changeset
862 <para>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
863 Дополнительные параметры могут быть следующими:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
864 <list type="tag">
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
865
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
866 <tag-name><literal>expires=</literal><value>время</value></tag-name>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
867 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
868 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
869 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
870 31 декабря 2037 года 23:55:55 GMT.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
871 Если параметр не указан, то время действия куки ограничивается сессией браузера.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
872 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
873
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
874 <tag-name><literal>domain=</literal><value>домен</value></tag-name>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
875 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
876 Задаёт <value>домен</value>, для которого устанавливается кука.
1825
56b6244ddadb Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1818
diff changeset
877 В значении параметра можно использовать переменные (1.11.5).
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
878 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
879
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
880 <tag-name><literal>httponly</literal></tag-name>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
881 <tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
882 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11).
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
883 </tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
884
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
885 <tag-name><literal>secure</literal></tag-name>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
886 <tag-desc>
1450
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
887 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11).
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
888 </tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
889
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
890 <tag-name><literal>path=</literal><value>путь</value></tag-name>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
891 <tag-desc>
f5b5eefc43cb Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents: 1418
diff changeset
892 Задаёт <value>путь</value>, для которого устанавливается кука.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
893 </tag-desc>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
894
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
895 </list>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
896 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
897 </para>
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
898 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
899
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
900 <tag-name id="sticky_route"><literal>route</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
901 <tag-desc>
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
902
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
903 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
904 При использовании метода <literal>route</literal> проксируемый сервер назначает
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
905 клиенту маршрут по получении первого запроса.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
906 Все последующие запросы от этого клиента будут содержать информацию о
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
907 маршруте в куке или URI.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
908 Эта информация сравнивается с параметром “<literal>route</literal>” директивы
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
909 <link id="server"/> для идентификации сервера, на который
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
910 следует проксировать запрос.
1854
dca985318cfe Documented default value for server route in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1825
diff changeset
911 Если параметр “<literal>route</literal>” не задан, то именем маршрута
dca985318cfe Documented default value for server route in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1825
diff changeset
912 будет являться MD5-хэш IP-адреса и порта
dca985318cfe Documented default value for server route in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1825
diff changeset
913 (или пути UNIX-сокета) в шестнадцатеричном виде.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
914 Если назначенный сервер не может обработать запрос, выбирается новый сервер
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
915 согласно настроенному методу балансировки как если бы в запросе не было
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
916 информации о маршруте.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
917 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
918
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
919 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
920 Параметры метода <literal>route</literal> задают переменные, которые
1238
763db729e6a4 Upstream: corrected translation in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1237
diff changeset
921 могут содержать информацию о маршруте.
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
922 Первая непустая переменная используется для поиска соответствующего сервера.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
923 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
924
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
925 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
926 Пример:
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
927 <example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
928 map $cookie_jsessionid $route_cookie {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
929 ~.+\.(?P&lt;route>\w+)$ $route;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
930 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
931
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
932 map $request_uri $route_uri {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
933 ~jsessionid=.+\.(?P&lt;route>\w+)$ $route;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
934 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
935
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
936 upstream backend {
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
937 server backend1.example.com route=a;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
938 server backend2.example.com route=b;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
939
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
940 sticky route $route_cookie $route_uri;
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
941 }
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
942 </example>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
943 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”,
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
944 если она присутствует в запросе.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
945 В противном случае используется маршрут из URI.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
946 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
947
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
948 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
949
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
950 <tag-name id="sticky_learn"><literal>learn</literal></tag-name>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
951 <tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
952 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
953 При использовании метода <literal>learn</literal> (1.7.1) nginx
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
954 анализирует ответы от вышестоящего сервера и запоминает
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
955 начатые им сессии, которые обычно передаются в HTTP-куке.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
956 <example>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
957 upstream backend {
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
958 server backend1.example.com:8080;
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
959 server backend2.example.com:8081;
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
960
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
961 sticky learn
1544
627a9309011c Renamed cookie in the example of the sticky directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1504
diff changeset
962 create=$upstream_cookie_examplecookie
627a9309011c Renamed cookie in the example of the sticky directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1504
diff changeset
963 lookup=$cookie_examplecookie
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
964 zone=client_sessions:1m;
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
965 }
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
966 </example>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
967
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
968 В примере выше сервер группы создаёт сессию путём установки
1544
627a9309011c Renamed cookie in the example of the sticky directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1504
diff changeset
969 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе.
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
970 Последующие запросы с этой кукой будут передаваться на этот же сервер.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
971 Если сервер не может обработать запрос, выбирается новый
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
972 сервер как если бы клиент не имел привязки к серверу.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
973 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
974
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
975 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
976 Параметры <literal>create</literal> и <literal>lookup</literal>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
977 задают переменные, в которых соответственно указывается способ
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
978 создания новых и поиска существующих сессий.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
979 Оба параметра могут быть указаны больше одного раза
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
980 (в этом случае используется первая непустая переменная).
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
981 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
982
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
983 <para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
984 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
985 <value>размер</value> которой задаются параметром <literal>zone</literal>.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
986 Зоны размером в 1 мегабайт достаточно для хранения около 8 тысяч сессий
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
987 на 64-битной платформе.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
988 Сессии, к которым не было обращений в течение времени, заданного параметром
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
989 <literal>timeout</literal>, удаляются из зоны.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
990 По умолчанию <literal>timeout</literal> равен 10 минутам.
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
991 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
992
2028
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
993 <para id="sticky_learn_header">
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
994 Параметр <literal>header</literal> (1.13.1) позволяет создавать сессию
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
995 сразу после получения заголовков ответа от сервера группы.
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
996 </para>
5c55b7054b58 Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents: 1945
diff changeset
997
1259
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
998 </tag-desc>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
999 </list>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1000 </para>
954dcc02cb63 Upstream: "session learn" sticky method and upstream_conf changes.
Ruslan Ermilov <ru@nginx.com>
parents: 1243
diff changeset
1001
1234
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1002 <para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1003 <note>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1004 Эта директива доступна как часть
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1005 <commercial_version>коммерческой подписки</commercial_version>.
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1006 </note>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1007 </para>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1008
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1009 </directive>
314801ed88e7 Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1230
diff changeset
1010
1237
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1011
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1012 <directive name="sticky_cookie_insert">
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1013 <syntax><value>имя</value>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1014 [<literal>expires=</literal><value>время</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1015 [<literal>domain=</literal><value>домен</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1016 [<literal>path=</literal><value>путь</value>]</syntax>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1017 <default/>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1018 <context>upstream</context>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1019
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1020 <para>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1021 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
1022 Вместо неё следует использовать аналогичную директиву
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1023 <link id="sticky"/> с изменённым синтаксисом:
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1024 <note>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1025 <literal>sticky cookie</literal> <value>имя</value>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1026 [<literal>expires=</literal><value>время</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1027 [<literal>domain=</literal><value>домен</value>]
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1028 [<literal>path=</literal><value>путь</value>];
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1029 </note>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1030 </para>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1031
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1032 </directive>
e0a1a929a458 Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1234
diff changeset
1033
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1034 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1035
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1036
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1037 <section id="variables" name="Встроенные переменные">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1038
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1039 <para>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1040 Модуль <literal>ngx_http_upstream_module</literal>
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1041 поддерживает следующие встроенные переменные:
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1042 <list type="tag">
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1043
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1044 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1045 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1046 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
1047 Если при обработке запроса были сделаны обращения к нескольким серверам,
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1048 то их адреса разделяются запятой, например,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1049 “<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
1050 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
1051 с помощью
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1052 <header>X-Accel-Redirect</header> или
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1053 <link doc="ngx_http_core_module.xml" id="error_page"/>,
966
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
1054 то адреса, соответствующие разным группам серверов, разделяются двоеточием,
95c3c3bbf1ce Text review.
Egor Nikitin <yegor.nikitin@gmail.com>
parents: 942
diff changeset
1055 например,
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1056 “<literal>192.168.1.1:80, 192.168.1.2:80, unix:/tmp/sock : 192.168.10.1:80, 192.168.10.2:80</literal>”.
2058
eb58ee50561d Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2041
diff changeset
1057 Если сервер не может быть выбран,
eb58ee50561d Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2041
diff changeset
1058 то переменная хранит имя группы серверов.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1059 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1060
1783
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1061 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name>
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1062 <tag-desc>
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1063 число байт, полученных от сервера группы (1.11.4).
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1064 Значения нескольких соединений
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1065 разделяются запятыми и двоеточиями подобно адресам в переменной
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1066 <link id="var_upstream_addr">$upstream_addr</link>.
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1067 </tag-desc>
031566771bbd Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1720
diff changeset
1068
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1069 <tag-name id="var_upstream_cache_status"><var>$upstream_cache_status</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1070 </tag-name>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1071 <tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1072 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
1073 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
1074 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”,
1016
2d8269d8fea8 Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
1075 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”,
2d8269d8fea8 Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents: 966
diff changeset
1076 “<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
1077 </tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1078
1481
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1079 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1080 </tag-name>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1081 <tag-desc>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1082 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
1083 время хранится в секундах с точностью до миллисекунд.
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1084 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
1085 Времена нескольких соединений
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1086 разделяются запятыми и двоеточиями подобно адресам в переменной
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1087 <link id="var_upstream_addr">$upstream_addr</link>.
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1088 </tag-desc>
f29398a167d0 Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 1461
diff changeset
1089
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1090 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value>
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1091 </tag-name>
1186
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1092 <tag-desc>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1093 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
1094 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
1095 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
1096 последнего сервера.
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1097 </tag-desc>
8125bec5c7a1 Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1181
diff changeset
1098
1393
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1099 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1100 </tag-name>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1101 <tag-desc>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1102 хранит время,
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1103 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
1104 время хранится в секундах с точностью до миллисекунд.
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1105 Времена нескольких ответов
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1106 разделяются запятыми и двоеточиями подобно адресам в переменной
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1107 <link id="var_upstream_addr">$upstream_addr</link>.
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1108 </tag-desc>
15e8779f0ceb Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents: 1392
diff changeset
1109
1392
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1110 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1111 <tag-desc>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1112 хранят поля заголовка ответа сервера.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1113 Например, поле заголовка ответа <header>Server</header>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1114 доступно в переменной <var>$upstream_http_server</var>.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1115 Правила преобразования имён полей заголовка ответа в имена переменных
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1116 такие же, как для переменных с префиксом
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1117 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1118 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
1119 последнего сервера.
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1120 </tag-desc>
82e62822abe8 Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1391
diff changeset
1121
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1122 <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
1123 </tag-name>
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1124 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1125 хранит длину ответа, полученного от сервера группы (0.7.27);
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1126 длина хранится в байтах.
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1127 Длины нескольких ответов
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1128 разделяются запятыми и двоеточиями подобно адресам в переменной
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1129 <link id="var_upstream_addr">$upstream_addr</link>.
731
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1130 </tag-desc>
f62328124e5b Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents: 654
diff changeset
1131
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1132 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var>
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1133 </tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1134 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1135 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
1136 время хранится в секундах с точностью до миллисекунд.
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1137 Времена нескольких ответов
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1138 разделяются запятыми и двоеточиями подобно адресам в переменной
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1139 <link id="var_upstream_addr">$upstream_addr</link>.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1140 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1141
1155
07402a11fd8d Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents: 1128
diff changeset
1142 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name>
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1143 <tag-desc>
1391
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1144 хранит статус ответа, полученного от сервера группы.
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1145 Статусы нескольких ответов
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1146 разделяются запятыми и двоеточиями подобно адресам в переменной
0702cc081c63 Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents: 1386
diff changeset
1147 <link id="var_upstream_addr">$upstream_addr</link>.
2062
7275c134ec67 Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2058
diff changeset
1148 Если сервер не может быть выбран, то
7275c134ec67 Documented "no live upstreams" case for $upstream_status.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2058
diff changeset
1149 переменная хранит статус <http-status code="502" text="Bad Gateway"/>.
292
7bc830cc79bb Revision.
Ruslan Ermilov <ru@nginx.com>
parents: 280
diff changeset
1150 </tag-desc>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1151
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1152 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1153 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
1154
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 </module>