Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 2102:d7f34859645b
Matched wording of imap_client_buffer with proxy_buffer_size.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Tue, 13 Feb 2018 13:47:06 +0300 |
parents | 27c53e1cb4b6 |
children | 180269c4a220 |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
292 | 10 <module name="Модуль ngx_http_upstream_module" |
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11 link="/ru/docs/http/ngx_http_upstream_module.html" |
589 | 12 lang="ru" |
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13 rev="67"> |
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14 |
110
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15 <section id="summary"> |
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16 |
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17 <para> |
292 | 18 Модуль <literal>ngx_http_upstream_module</literal> |
19 позволяет описывать группы серверов, | |
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20 которые могут использоваться в директивах |
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21 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>, |
1181 | 22 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>, |
1194 | 23 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>, |
1181 | 24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/> и |
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/>. |
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26 </para> |
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27 |
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28 </section> |
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29 |
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30 |
292 | 31 <section id="example" name="Пример конфигурации"> |
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32 |
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33 <para> |
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34 <example> |
292 | 35 upstream <emphasis>backend</emphasis> { |
36 server backend1.example.com weight=5; | |
37 server backend2.example.com:8080; | |
38 server unix:/tmp/backend3; | |
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39 |
292 | 40 server backup1.example.com:8080 backup; |
41 server backup2.example.com:8080 backup; | |
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42 } |
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43 |
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44 server { |
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45 location / { |
292 | 46 proxy_pass http://<emphasis>backend</emphasis>; |
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47 } |
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48 } |
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49 </example> |
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50 </para> |
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51 |
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52 <para> |
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53 Динамически настраиваемая группа |
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54 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 |
292 | 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. |
966 | 119 Если при попытке работы с сервером происходит ошибка, то запрос |
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. |
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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 |
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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> |
966 | 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 |
966 | 188 параметром <literal>fail_timeout</literal>. |
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189 По умолчанию число попыток устанавливается равным 1. |
966 | 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"/>, |
1181 | 193 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>, |
1194 | 194 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>, |
1181 | 195 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/> и |
533
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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> |
966 | 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 <tag-name id="drain"> |
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340 <literal>drain</literal> |
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341 </tag-name> |
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342 <tag-desc> |
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343 переводит сервер в режим “draining” (1.13.6). |
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344 В этом режиме на сервер будут проксироваться только |
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345 <link id="sticky">привязанные</link> к нему запросы. |
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346 <note> |
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347 До версии 1.13.6 |
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348 параметр мог быть изменён только при помощи |
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349 модуля <link doc="ngx_http_api_module.xml">API</link>. |
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350 </note> |
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351 </tag-desc> |
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352 |
533
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353 </list> |
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354 </para> |
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355 |
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356 <para> |
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357 <note> |
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358 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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359 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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360 игнорируются и такой сервер никогда не будет считаться недоступным. |
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361 </note> |
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362 </para> |
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363 |
533
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364 </directive> |
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365 |
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366 |
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367 <directive name="zone"> |
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368 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
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369 <default/> |
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370 <context>upstream</context> |
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371 <appeared-in>1.9.0</appeared-in> |
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372 |
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373 <para> |
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374 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
1243
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375 в которой хранятся конфигурация группы и её рабочее состояние, |
1123
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376 разделяемые между рабочими процессами. |
1495
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377 В одной и той же зоне могут быть сразу несколько групп. |
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378 В этом случае достаточно указать <value>размер</value> только один раз. |
1461
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379 </para> |
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380 |
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381 <para> |
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382 Дополнительно, как часть |
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383 <commercial_version>коммерческой подписки</commercial_version>, |
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|
384 в таких группах для изменения состава группы |
1243
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|
385 или настроек отдельных серверов |
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|
386 нет необходимости перезапускать nginx. |
2097
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|
387 Конфигурация доступна через |
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|
388 модуль <link doc="ngx_http_api_module.xml">API</link> (1.13.3). |
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389 <note> |
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390 До версии 1.13.3 |
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|
391 конфигурация была доступна только через специальный location, |
1450
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|
392 в котором указана директива |
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|
393 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
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394 </note> |
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395 </para> |
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|
396 |
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|
397 </directive> |
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|
398 |
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|
399 |
1636
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|
400 <directive name="state"> |
1720
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|
401 <syntax><value>файл</value></syntax> |
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402 <default/> |
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|
403 <context>upstream</context> |
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|
404 <appeared-in>1.9.7</appeared-in> |
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|
405 |
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|
406 <para> |
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407 Задаёт <value>файл</value>, в котором хранится состояние |
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408 динамически настраиваемой группы. |
1809
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409 </para> |
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|
410 |
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|
411 <para> |
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|
412 Примеры: |
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|
413 <example> |
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|
414 state /var/lib/nginx/state/servers.conf; # путь для Linux |
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|
415 state /var/db/nginx/state/servers.conf; # путь для FreeBSD |
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|
416 </example> |
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|
417 </para> |
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|
418 |
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|
419 <para> |
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|
420 В данный момент состояние ограничено списком серверов с их параметрами. |
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|
421 Файл читается при парсинге конфигурации и обновляется каждый раз при |
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|
422 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf">изменении</link> |
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|
423 конфигурации группы. |
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|
424 Изменение содержимого файла напрямую не рекомендуется. |
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|
425 Директиву нельзя использовать |
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|
426 совместно с директивой <link id="server"/>. |
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|
427 </para> |
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|
428 |
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|
429 <para> |
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|
430 <note> |
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|
431 Изменения, совершённые в момент |
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|
432 <link doc="../control.xml" id="reconfiguration">перезагрузки конфигурации</link> |
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|
433 или <link doc="../control.xml" id="upgrade">обновления бинарного файла</link>, |
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|
434 могут быть потеряны. |
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|
435 </note> |
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|
436 </para> |
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|
437 |
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|
438 <para> |
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|
439 <note> |
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|
440 Эта директива доступна как часть |
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|
441 <commercial_version>коммерческой подписки</commercial_version>. |
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|
442 </note> |
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|
443 </para> |
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|
444 |
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|
445 </directive> |
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|
446 |
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|
447 |
1230
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Upstream: added the "hash" directive.
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|
448 <directive name="hash"> |
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|
449 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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|
450 <default/> |
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|
451 <context>upstream</context> |
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|
452 <appeared-in>1.7.2</appeared-in> |
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|
453 |
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|
454 <para> |
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|
455 Задаёт метод балансировки нагрузки для группы, при котором |
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|
456 соответствие клиента серверу определяется при помощи |
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|
457 хэшированного значения <value>ключа</value>. |
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|
458 В качестве <value>ключа</value> может использоваться |
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|
459 текст, переменные и их комбинации. |
6cc809881694
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changeset
|
460 Следует отметить, что любое добавление или удаление серверов в группе |
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Upstream: added the "hash" directive.
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changeset
|
461 может привести к перераспределению большинства ключей на другие серверы. |
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Upstream: added the "hash" directive.
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|
462 Метод совместим с библиотекой Perl |
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|
463 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>. |
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Upstream: added the "hash" directive.
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diff
changeset
|
464 </para> |
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Upstream: added the "hash" directive.
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diff
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|
465 |
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Upstream: added the "hash" directive.
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|
466 <para> |
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467 Если задан параметр <literal>consistent</literal>, то вместо |
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Upstream: added the "hash" directive.
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changeset
|
468 вышеописанного метода будет использоваться метод консистентного хэширования |
6cc809881694
Upstream: added the "hash" directive.
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diff
changeset
|
469 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>. |
6cc809881694
Upstream: added the "hash" directive.
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|
470 Метод гарантирует, что при добавлении сервера в группу или его удалении |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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changeset
|
471 на другие серверы будет перераспределено минимальное число ключей. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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changeset
|
472 Применение метода для кэширующих серверов обеспечивает |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
473 больший процент попаданий в кэш. |
6cc809881694
Upstream: added the "hash" directive.
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parents:
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diff
changeset
|
474 Метод совместим с библиотекой Perl |
6cc809881694
Upstream: added the "hash" directive.
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|
475 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link> |
6cc809881694
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|
476 при значении параметра <value>ketama_points</value> равным 160. |
6cc809881694
Upstream: added the "hash" directive.
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changeset
|
477 </para> |
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parents:
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diff
changeset
|
478 |
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Upstream: added the "hash" directive.
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diff
changeset
|
479 </directive> |
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Upstream: added the "hash" directive.
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parents:
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changeset
|
480 |
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changeset
|
481 |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
482 <directive name="ip_hash"> |
102
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The directive name is now automatically printed in <default> and <syntax>.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
483 <syntax/> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
484 <default/> |
76
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
485 <context>upstream</context> |
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Russian documentation import.
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parents:
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changeset
|
486 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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changeset
|
487 <para> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
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488 Задаёт для группы метод балансировки нагрузки, при котором запросы |
fb630c3c5039
Revamped the upstream documentation somewhat.
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526
diff
changeset
|
489 распределяются по серверам на основе IP-адресов клиентов. |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
490 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
|
491 октета IPv4-адреса клиента или IPv6-адрес клиента целиком. |
292 | 492 Метод гарантирует, что запросы одного и того же клиента |
493 будут всегда передаваться на один и тот же сервер. | |
1240
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Upstream: translated the missing parts of the "server" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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494 Если же этот сервер будет считаться недоступным, |
292 | 495 то запросы этого клиента будут передаваться на другой сервер. |
496 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
|
497 <note> |
566 | 498 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
|
499 </note> |
76
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
500 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
501 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
502 <para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
503 Если один из серверов нужно убрать на некоторое время, то для сохранения |
292 | 504 текущего хэширования IP-адресов клиентов этот сервер нужно пометить |
505 параметром <literal>down</literal>. | |
76
4a4caa566120
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parents:
diff
changeset
|
506 </para> |
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
507 |
4a4caa566120
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parents:
diff
changeset
|
508 <para> |
292 | 509 Пример: |
76
4a4caa566120
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parents:
diff
changeset
|
510 <example> |
292 | 511 upstream backend { |
76
4a4caa566120
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parents:
diff
changeset
|
512 ip_hash; |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
513 |
292 | 514 server backend1.example.com; |
515 server backend2.example.com; | |
516 server backend3.example.com <emphasis>down</emphasis>; | |
517 server backend4.example.com; | |
76
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changeset
|
518 } |
4a4caa566120
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parents:
diff
changeset
|
519 </example> |
4a4caa566120
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parents:
diff
changeset
|
520 </para> |
4a4caa566120
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
521 |
526
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
522 <para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
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parents:
367
diff
changeset
|
523 <note> |
566 | 524 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
|
525 <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
|
526 </note> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
527 </para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
528 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
529 </directive> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
530 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
531 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
532 <directive name="keepalive"> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
533 <syntax><value>соединения</value></syntax> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
534 <default/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
535 <context>upstream</context> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
536 <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
|
537 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
538 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
539 Задействует кэш соединений для группы серверов. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
540 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
541 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
542 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
543 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
|
544 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
|
545 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
|
546 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
|
547 закрываются. |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
548 <note> |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
549 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
|
550 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
|
551 рабочие процессы nginx могут открыть. |
966 | 552 Параметр <value>соединения</value> следует устанавливать достаточно |
553 консервативно, чтобы серверы группы по-прежнему могли обрабатывать | |
554 новые входящие соединения. | |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
555 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
556 </para> |
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 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
559 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
|
560 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
561 upstream memcached_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
562 server 127.0.0.1:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
563 server 10.0.0.2:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
564 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
565 keepalive 32; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
566 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
567 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
568 server { |
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 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
571 location /memcached/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
572 set $memcached_key $uri; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
573 memcached_pass memcached_backend; |
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 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
577 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
578 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
579 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
580 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
581 Для HTTP директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
582 <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
|
583 следует установить в “<literal>1.1</literal>”, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
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|
584 а поле заголовка <header>Connection</header> — очистить: |
316
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|
585 <example> |
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|
586 upstream http_backend { |
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|
587 server 127.0.0.1:8080; |
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|
588 |
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|
589 keepalive 16; |
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|
590 } |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
591 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
592 server { |
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|
593 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
594 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
595 location /http/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
596 proxy_pass http://http_backend; |
1fb1c077658b
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|
597 proxy_http_version 1.1; |
1fb1c077658b
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|
598 proxy_set_header Connection ""; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
599 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
600 } |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
601 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
602 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
603 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
604 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
605 <para> |
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|
606 <note> |
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|
607 Хоть это и не рекомендуется, но также возможно использование постоянных |
966 | 608 соединений с HTTP/1.0, путём передачи поля заголовка |
316
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|
609 <header>Connection: Keep-Alive</header> серверу группы. |
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|
610 </note> |
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|
611 </para> |
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|
612 |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
613 <para> |
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|
614 Для работы постоянных соединений с FastCGI-серверами потребуется |
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|
615 включить директиву |
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|
616 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>: |
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|
617 <example> |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
618 upstream fastcgi_backend { |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
619 server 127.0.0.1:9000; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
620 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
621 keepalive 8; |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
622 } |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
623 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
624 server { |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
625 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
626 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
627 location /fastcgi/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
628 fastcgi_pass fastcgi_backend; |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
629 fastcgi_keep_conn on; |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
630 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
631 } |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
632 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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changeset
|
633 </example> |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
634 </para> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
635 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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|
636 <para> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
637 <note> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
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526
diff
changeset
|
638 При использовании методов балансировки нагрузки, отличных |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
639 от стандартного round-robin, следует активировать их до |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
640 директивы <literal>keepalive</literal>. |
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diff
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|
641 </note> |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
642 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
643 <note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
644 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений. |
1fb1c077658b
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diff
changeset
|
645 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
646 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
647 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
648 </directive> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
649 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
changeset
|
650 |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
651 <directive name="ntlm"> |
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Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
652 <syntax/> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
653 <default/> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
654 <context>upstream</context> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
655 <appeared-in>1.9.2</appeared-in> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
656 |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
657 <para> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
658 Позволяет проксировать запросы с |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
659 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
660 подлинности NTLM</link>. |
1587
c2a0a18e65ba
Added keepalive info for ntlm.
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parents:
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diff
changeset
|
661 Соединение с сервером группы привязывается к клиентскому соединению |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
662 как только клиент отправляет запрос, в заголовке которого есть поле |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
663 <header>Authorization</header> со значением, |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
664 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”. |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
665 Последующие запросы клиента будут проксироваться через это же соединение |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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|
666 с сервером группы, |
ed420c318557
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diff
changeset
|
667 сохраняя контекст аутентификации. |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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|
668 </para> |
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Updated docs for the upcoming NGINX Plus release.
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changeset
|
669 |
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Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
670 <para> |
1587
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Added keepalive info for ntlm.
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diff
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|
671 Для работы проверки подлинности NTLM |
c2a0a18e65ba
Added keepalive info for ntlm.
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changeset
|
672 необходимо разрешить постоянные соединения с серверами группы. |
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Added keepalive info for ntlm.
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changeset
|
673 Директиву <link doc="ngx_http_proxy_module.xml" id="proxy_http_version"/> |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
674 следует установить в “<literal>1.1</literal>”, |
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Added keepalive info for ntlm.
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diff
changeset
|
675 а поле заголовка <header>Connection</header> — очистить: |
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Added keepalive info for ntlm.
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|
676 <example> |
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Added keepalive info for ntlm.
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|
677 upstream http_backend { |
c2a0a18e65ba
Added keepalive info for ntlm.
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|
678 server 127.0.0.1:8080; |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
679 |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
680 ntlm; |
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Added keepalive info for ntlm.
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changeset
|
681 } |
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Added keepalive info for ntlm.
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diff
changeset
|
682 |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
683 server { |
c2a0a18e65ba
Added keepalive info for ntlm.
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changeset
|
684 ... |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
685 |
c2a0a18e65ba
Added keepalive info for ntlm.
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changeset
|
686 location /http/ { |
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Added keepalive info for ntlm.
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|
687 proxy_pass http://http_backend; |
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|
688 proxy_http_version 1.1; |
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|
689 proxy_set_header Connection ""; |
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Added keepalive info for ntlm.
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changeset
|
690 ... |
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Added keepalive info for ntlm.
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diff
changeset
|
691 } |
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Added keepalive info for ntlm.
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changeset
|
692 } |
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Added keepalive info for ntlm.
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changeset
|
693 </example> |
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changeset
|
694 </para> |
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Added keepalive info for ntlm.
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diff
changeset
|
695 |
c2a0a18e65ba
Added keepalive info for ntlm.
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diff
changeset
|
696 <para> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
697 <note> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
698 При использовании методов балансировки нагрузки, отличных |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
699 от стандартного round-robin, следует активировать их до |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
700 директивы <literal>ntlm</literal>. |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
701 </note> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
702 </para> |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
703 |
c2a0a18e65ba
Added keepalive info for ntlm.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1581
diff
changeset
|
704 <para> |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
705 <note> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
706 Эта директива доступна как часть |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
707 <commercial_version>коммерческой подписки</commercial_version>. |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
708 </note> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
709 </para> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
710 |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
711 </directive> |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
712 |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1544
diff
changeset
|
713 |
1125
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
714 <directive name="least_conn"> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
715 <syntax/> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
716 <default/> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
717 <context>upstream</context> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
718 <appeared-in>1.3.1</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
719 <appeared-in>1.2.2</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
720 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
721 <para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
722 Задаёт для группы метод балансировки нагрузки, при котором запрос |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
723 передаётся серверу с наименьшим числом активных соединений, |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
724 с учётом весов серверов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
725 Если подходит сразу несколько серверов, они выбираются циклически |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
726 (в режиме round-robin) с учётом их весов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
727 </para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
728 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
729 </directive> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
730 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
731 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
732 <directive name="least_time"> |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
733 <syntax> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
734 <literal>header</literal> | |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
735 <literal>last_byte</literal> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
736 [<literal>inflight</literal>]</syntax> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
737 <default/> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
738 <context>upstream</context> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
739 <appeared-in>1.7.10</appeared-in> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
740 |
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 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
|
743 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
|
744 числом активных соединений с учётом весов серверов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
745 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
|
746 (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
|
747 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
748 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
749 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
750 Если указан параметр <literal>header</literal>, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
751 то учитывается время получения |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
752 <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
|
753 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
|
754 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
|
755 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
|
756 то также учитываются незавершённые запросы. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
757 <note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
758 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
|
759 </note> |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
760 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
761 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
762 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
763 <note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
764 Эта директива доступна как часть |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
765 <commercial_version>коммерческой подписки</commercial_version>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
766 </note> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
767 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
768 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
769 </directive> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
770 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
771 |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
772 <directive name="queue"> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
773 <syntax> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
774 <value>число</value> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
775 [<literal>timeout</literal>=<value>время</value>]</syntax> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
776 <default/> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
777 <context>upstream</context> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
778 <appeared-in>1.5.12</appeared-in> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
779 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
780 <para> |
1818
574c44d14837
Removed the "max_conns" condition from the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1817
diff
changeset
|
781 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
|
782 запрос будет помещён в очередь. |
2067
014323d0cc38
Highlighted the "number" value in the queue directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2062
diff
changeset
|
783 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
|
784 которые могут одновременно находиться в очереди. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
785 Если очередь переполнена |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
786 или за время, задаваемое параметром <literal>timeout</literal>, |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
787 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
|
788 клиенту будет возвращена ошибка |
0ba4b2e561bd
Added 502 error to the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1587
diff
changeset
|
789 <http-status code="502" text="Bad Gateway"/>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
790 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
791 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
792 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
793 По умолчанию параметр <literal>timeout</literal> равен 60 секундам. |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
794 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
795 |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
796 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
797 <note> |
1925
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
798 При использовании методов балансировки нагрузки, отличных |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
799 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
|
800 директивы <literal>queue</literal>. |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
801 </note> |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
802 |
a58b35cc0823
Updated docs for the upcoming NGINX Plus release.
Ruslan Ermilov <ru@nginx.com>
parents:
1891
diff
changeset
|
803 <note> |
1128
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents:
1127
diff
changeset
|
804 Эта директива доступна как часть |
1594ed379f1f
De-i18n'ed <commercial_version/>.
Ruslan Ermilov <ru@nginx.com>
parents:
1127
diff
changeset
|
805 <commercial_version>коммерческой подписки</commercial_version>. |
1122
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
806 </note> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
807 </para> |
594093ef96b1
Upstream: documented the "queue" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1121
diff
changeset
|
808 |
594093ef96b1
Upstream: documented the "queue" directive.
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|
809 </directive> |
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Upstream: documented the "queue" directive.
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|
810 |
1234
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|
811 |
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|
812 <directive name="sticky"> |
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|
813 <syntax> |
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|
814 <literal>cookie</literal> <value>имя</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
815 [<literal>expires=</literal><value>время</value>] |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
816 [<literal>domain=</literal><value>домен</value>] |
1450
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Updated commercial docs for the upcoming release.
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diff
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|
817 [<literal>httponly</literal>] |
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Updated commercial docs for the upcoming release.
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|
818 [<literal>secure</literal>] |
1259
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|
819 [<literal>path=</literal><value>путь</value>]</syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
820 <syntax> |
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|
821 <literal>route</literal> <value>переменная</value> ...</syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
822 <syntax> |
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|
823 <literal>learn</literal> |
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|
824 <literal>create=</literal><value>$переменная</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
825 <literal>lookup=</literal><value>$переменная</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
826 <literal>zone=</literal><value>имя</value>:<value>размер</value> |
2028
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Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
827 [<literal>timeout=</literal><value>время</value>] |
5c55b7054b58
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
828 [<literal>header</literal>]</syntax> |
1234
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|
829 <default/> |
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Upstream: translated the "sticky" directive.
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|
830 <context>upstream</context> |
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|
831 <appeared-in>1.5.7</appeared-in> |
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|
832 |
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|
833 <para> |
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|
834 Включает режим привязки сеансов, в котором запросы клиента |
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|
835 будут передаваться на один и тот же сервер группы. |
1259
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|
836 Доступны три метода: |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
837 <list type="tag"> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
838 <tag-name id="sticky_cookie"><literal>cookie</literal></tag-name> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
839 <tag-desc> |
1234
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|
840 |
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|
841 <para> |
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Upstream: translated the "sticky" directive.
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|
842 При использовании метода <literal>cookie</literal> информация о |
314801ed88e7
Upstream: translated the "sticky" directive.
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|
843 назначенном сервере передаётся в HTTP-куке: |
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Upstream: translated the "sticky" directive.
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|
844 <example> |
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Upstream: translated the "sticky" directive.
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|
845 upstream backend { |
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Upstream: translated the "sticky" directive.
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diff
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|
846 server backend1.example.com; |
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Upstream: translated the "sticky" directive.
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diff
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|
847 server backend2.example.com; |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
848 |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
849 sticky cookie srv_id expires=1h domain=.example.com path=/; |
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Upstream: translated the "sticky" directive.
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|
850 } |
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Upstream: translated the "sticky" directive.
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|
851 </example> |
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Upstream: translated the "sticky" directive.
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|
852 </para> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
853 |
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diff
changeset
|
854 <para> |
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Upstream: translated the "sticky" directive.
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|
855 Запрос от клиента, ещё не привязанного к определённому серверу, |
314801ed88e7
Upstream: translated the "sticky" directive.
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changeset
|
856 передаётся на сервер, выбранный согласно настроенному методу балансировки. |
314801ed88e7
Upstream: translated the "sticky" directive.
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|
857 Дальнейшие запросы от этого клиента передаются на тот же сервер. |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
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|
858 Если назначенный сервер не может обработать запрос, выбирается новый |
314801ed88e7
Upstream: translated the "sticky" directive.
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|
859 сервер как если бы клиент не имел привязки к серверу. |
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Upstream: translated the "sticky" directive.
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|
860 </para> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
861 |
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|
862 <para> |
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diff
changeset
|
863 Первый параметр задаёт имя куки, которую необходимо установить или проверить. |
2041
29b68a7b42fc
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parents:
2028
diff
changeset
|
864 Значением куки является MD5-хэш IP-адреса и порта |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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parents:
2028
diff
changeset
|
865 (или пути UNIX-сокета) в шестнадцатеричном виде. |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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parents:
2028
diff
changeset
|
866 Однако если указан параметр “<literal>route</literal>” |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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parents:
2028
diff
changeset
|
867 директивы <link id="server"/>, то значением куки будет |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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parents:
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diff
changeset
|
868 значение параметра “<literal>route</literal>”: |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
changeset
|
869 <example> |
29b68a7b42fc
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diff
changeset
|
870 upstream backend { |
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parents:
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diff
changeset
|
871 server backend1.example.com route=<emphasis>a</emphasis>; |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
changeset
|
872 server backend2.example.com route=<emphasis>b</emphasis>; |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
changeset
|
873 |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
874 sticky cookie srv_id expires=1h domain=.example.com path=/; |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
changeset
|
875 } |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
changeset
|
876 </example> |
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Documented cookie name for sticky cookie and server route.
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parents:
2028
diff
changeset
|
877 В этом случае значение куки “<literal>srv_id</literal>” будет |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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parents:
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diff
changeset
|
878 или <value>a</value>, или <value>b</value>. |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
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|
879 </para> |
29b68a7b42fc
Documented cookie name for sticky cookie and server route.
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diff
changeset
|
880 |
29b68a7b42fc
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parents:
2028
diff
changeset
|
881 <para> |
1234
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|
882 Дополнительные параметры могут быть следующими: |
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|
883 <list type="tag"> |
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diff
changeset
|
884 |
1450
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diff
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|
885 <tag-name><literal>expires=</literal><value>время</value></tag-name> |
1234
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|
886 <tag-desc> |
1450
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diff
changeset
|
887 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку. |
1234
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changeset
|
888 Специальное значение <literal>max</literal> устанавливает срок хранения куки до |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
889 31 декабря 2037 года 23:55:55 GMT. |
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diff
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|
890 Если параметр не указан, то время действия куки ограничивается сессией браузера. |
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|
891 </tag-desc> |
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|
892 |
1450
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|
893 <tag-name><literal>domain=</literal><value>домен</value></tag-name> |
1234
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|
894 <tag-desc> |
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changeset
|
895 Задаёт <value>домен</value>, для которого устанавливается кука. |
1825
56b6244ddadb
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diff
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|
896 В значении параметра можно использовать переменные (1.11.5). |
1234
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|
897 </tag-desc> |
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|
898 |
1450
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|
899 <tag-name><literal>httponly</literal></tag-name> |
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|
900 <tag-desc> |
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diff
changeset
|
901 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11). |
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|
902 </tag-desc> |
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Updated commercial docs for the upcoming release.
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diff
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|
903 |
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Updated commercial docs for the upcoming release.
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|
904 <tag-name><literal>secure</literal></tag-name> |
1234
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|
905 <tag-desc> |
1450
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|
906 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11). |
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|
907 </tag-desc> |
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diff
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|
908 |
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Updated commercial docs for the upcoming release.
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changeset
|
909 <tag-name><literal>path=</literal><value>путь</value></tag-name> |
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|
910 <tag-desc> |
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Updated commercial docs for the upcoming release.
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changeset
|
911 Задаёт <value>путь</value>, для которого устанавливается кука. |
1234
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|
912 </tag-desc> |
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|
913 |
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diff
changeset
|
914 </list> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
915 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет. |
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|
916 </para> |
1259
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|
917 </tag-desc> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
918 |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
919 <tag-name id="sticky_route"><literal>route</literal></tag-name> |
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|
920 <tag-desc> |
1234
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|
921 |
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|
922 <para> |
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|
923 При использовании метода <literal>route</literal> проксируемый сервер назначает |
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Upstream: translated the "sticky" directive.
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|
924 клиенту маршрут по получении первого запроса. |
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Upstream: translated the "sticky" directive.
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|
925 Все последующие запросы от этого клиента будут содержать информацию о |
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Upstream: translated the "sticky" directive.
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|
926 маршруте в куке или URI. |
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Upstream: translated the "sticky" directive.
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|
927 Эта информация сравнивается с параметром “<literal>route</literal>” директивы |
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Upstream: translated the "sticky" directive.
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|
928 <link id="server"/> для идентификации сервера, на который |
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Upstream: translated the "sticky" directive.
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|
929 следует проксировать запрос. |
1854
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Documented default value for server route in sticky route.
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diff
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|
930 Если параметр “<literal>route</literal>” не задан, то именем маршрута |
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Documented default value for server route in sticky route.
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|
931 будет являться MD5-хэш IP-адреса и порта |
dca985318cfe
Documented default value for server route in sticky route.
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|
932 (или пути UNIX-сокета) в шестнадцатеричном виде. |
1234
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Upstream: translated the "sticky" directive.
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|
933 Если назначенный сервер не может обработать запрос, выбирается новый сервер |
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Upstream: translated the "sticky" directive.
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|
934 согласно настроенному методу балансировки как если бы в запросе не было |
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|
935 информации о маршруте. |
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Upstream: translated the "sticky" directive.
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|
936 </para> |
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|
937 |
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|
938 <para> |
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|
939 Параметры метода <literal>route</literal> задают переменные, которые |
1238
763db729e6a4
Upstream: corrected translation in sticky route.
Yaroslav Zhuravlev <yar@nginx.com>
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1237
diff
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|
940 могут содержать информацию о маршруте. |
1234
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|
941 Первая непустая переменная используется для поиска соответствующего сервера. |
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|
942 </para> |
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|
943 |
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|
944 <para> |
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|
945 Пример: |
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Upstream: translated the "sticky" directive.
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|
946 <example> |
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Upstream: translated the "sticky" directive.
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|
947 map $cookie_jsessionid $route_cookie { |
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Upstream: translated the "sticky" directive.
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|
948 ~.+\.(?P<route>\w+)$ $route; |
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|
949 } |
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|
950 |
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|
951 map $request_uri $route_uri { |
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Upstream: translated the "sticky" directive.
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|
952 ~jsessionid=.+\.(?P<route>\w+)$ $route; |
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Upstream: translated the "sticky" directive.
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|
953 } |
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diff
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|
954 |
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|
955 upstream backend { |
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Upstream: translated the "sticky" directive.
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|
956 server backend1.example.com route=a; |
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Upstream: translated the "sticky" directive.
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|
957 server backend2.example.com route=b; |
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Upstream: translated the "sticky" directive.
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|
958 |
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|
959 sticky route $route_cookie $route_uri; |
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|
960 } |
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|
961 </example> |
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|
962 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”, |
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Upstream: translated the "sticky" directive.
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|
963 если она присутствует в запросе. |
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Upstream: translated the "sticky" directive.
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|
964 В противном случае используется маршрут из URI. |
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|
965 </para> |
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|
966 |
1259
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|
967 </tag-desc> |
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|
968 |
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|
969 <tag-name id="sticky_learn"><literal>learn</literal></tag-name> |
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|
970 <tag-desc> |
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971 <para> |
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|
972 При использовании метода <literal>learn</literal> (1.7.1) nginx |
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|
973 анализирует ответы от вышестоящего сервера и запоминает |
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|
974 начатые им сессии, которые обычно передаются в HTTP-куке. |
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|
975 <example> |
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976 upstream backend { |
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|
977 server backend1.example.com:8080; |
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|
978 server backend2.example.com:8081; |
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|
979 |
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|
980 sticky learn |
1544
627a9309011c
Renamed cookie in the example of the sticky directive.
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diff
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|
981 create=$upstream_cookie_examplecookie |
627a9309011c
Renamed cookie in the example of the sticky directive.
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diff
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|
982 lookup=$cookie_examplecookie |
1259
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|
983 zone=client_sessions:1m; |
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|
984 } |
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|
985 </example> |
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|
986 |
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|
987 В примере выше сервер группы создаёт сессию путём установки |
1544
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Renamed cookie in the example of the sticky directive.
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|
988 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе. |
1259
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989 Последующие запросы с этой кукой будут передаваться на этот же сервер. |
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|
990 Если сервер не может обработать запрос, выбирается новый |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
991 сервер как если бы клиент не имел привязки к серверу. |
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|
992 </para> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
993 |
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|
994 <para> |
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|
995 Параметры <literal>create</literal> и <literal>lookup</literal> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
996 задают переменные, в которых соответственно указывается способ |
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|
997 создания новых и поиска существующих сессий. |
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|
998 Оба параметра могут быть указаны больше одного раза |
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|
999 (в этом случае используется первая непустая переменная). |
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|
1000 </para> |
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|
1001 |
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|
1002 <para> |
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|
1003 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и |
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|
1004 <value>размер</value> которой задаются параметром <literal>zone</literal>. |
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|
1005 Зоны размером в 1 мегабайт достаточно для хранения около 8 тысяч сессий |
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|
1006 на 64-битной платформе. |
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|
1007 Сессии, к которым не было обращений в течение времени, заданного параметром |
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|
1008 <literal>timeout</literal>, удаляются из зоны. |
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|
1009 По умолчанию <literal>timeout</literal> равен 10 минутам. |
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|
1010 </para> |
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|
1011 |
2028
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|
1012 <para id="sticky_learn_header"> |
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|
1013 Параметр <literal>header</literal> (1.13.1) позволяет создавать сессию |
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diff
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|
1014 сразу после получения заголовков ответа от сервера группы. |
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|
1015 </para> |
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|
1016 |
1259
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|
1017 </tag-desc> |
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1018 </list> |
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|
1019 </para> |
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|
1020 |
1234
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1021 <para> |
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|
1022 <note> |
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diff
changeset
|
1023 Эта директива доступна как часть |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1024 <commercial_version>коммерческой подписки</commercial_version>. |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1025 </note> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1026 </para> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1027 |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1028 </directive> |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1230
diff
changeset
|
1029 |
1237
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1030 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1031 <directive name="sticky_cookie_insert"> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1032 <syntax><value>имя</value> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1033 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1034 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1035 [<literal>path=</literal><value>путь</value>]</syntax> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1036 <default/> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1037 <context>upstream</context> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1038 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1039 <para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1040 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
|
1041 Вместо неё следует использовать аналогичную директиву |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1042 <link id="sticky"/> с изменённым синтаксисом: |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1043 <note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1044 <literal>sticky cookie</literal> <value>имя</value> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1045 [<literal>expires=</literal><value>время</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1046 [<literal>domain=</literal><value>домен</value>] |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1047 [<literal>path=</literal><value>путь</value>]; |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1048 </note> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1049 </para> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1050 |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1051 </directive> |
e0a1a929a458
Upstream: translated the sticky_cookie_insert directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1234
diff
changeset
|
1052 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1053 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1054 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1055 |
292 | 1056 <section id="variables" name="Встроенные переменные"> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1057 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1058 <para> |
292 | 1059 Модуль <literal>ngx_http_upstream_module</literal> |
1060 поддерживает следующие встроенные переменные: | |
1061 <list type="tag"> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1062 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1063 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
292 | 1064 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1065 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
|
1066 Если при обработке запроса были сделаны обращения к нескольким серверам, |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1067 то их адреса разделяются запятой, например, |
292 | 1068 “<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
|
1069 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
|
1070 с помощью |
292 | 1071 <header>X-Accel-Redirect</header> или |
1072 <link doc="ngx_http_core_module.xml" id="error_page"/>, | |
966 | 1073 то адреса, соответствующие разным группам серверов, разделяются двоеточием, |
1074 например, | |
292 | 1075 “<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
|
1076 Если сервер не может быть выбран, |
eb58ee50561d
Documented upstream name in $upstream_addr.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2041
diff
changeset
|
1077 то переменная хранит имя группы серверов. |
292 | 1078 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1079 |
1783
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1080 <tag-name id="var_upstream_bytes_received"><var>$upstream_bytes_received</var></tag-name> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1081 <tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1082 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
|
1083 Значения нескольких соединений |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1084 разделяются запятыми и двоеточиями подобно адресам в переменной |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1085 <link id="var_upstream_addr">$upstream_addr</link>. |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1086 </tag-desc> |
031566771bbd
Documented $upstream_bytes_received for http upstream.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1720
diff
changeset
|
1087 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1088 <tag-name id="var_upstream_cache_status"><var>$upstream_cache_status</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1089 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1090 <tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1091 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
|
1092 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
|
1093 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”, |
1016
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1094 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”, |
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1095 “<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
|
1096 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1097 |
1481
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1098 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1099 </tag-name> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1100 <tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1101 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
|
1102 время хранится в секундах с точностью до миллисекунд. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1103 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
|
1104 Времена нескольких соединений |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1105 разделяются запятыми и двоеточиями подобно адресам в переменной |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1106 <link id="var_upstream_addr">$upstream_addr</link>. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1107 </tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1108 |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1109 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value> |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1110 </tag-name> |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1111 <tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1112 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
|
1113 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
|
1114 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
|
1115 последнего сервера. |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1116 </tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1117 |
1393
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1118 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1119 </tag-name> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1120 <tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1121 хранит время, |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1122 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
|
1123 время хранится в секундах с точностью до миллисекунд. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1124 Времена нескольких ответов |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1125 разделяются запятыми и двоеточиями подобно адресам в переменной |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1126 <link id="var_upstream_addr">$upstream_addr</link>. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1127 </tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1128 |
1392
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1129 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1130 <tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1131 хранят поля заголовка ответа сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1132 Например, поле заголовка ответа <header>Server</header> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1133 доступно в переменной <var>$upstream_http_server</var>. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1134 Правила преобразования имён полей заголовка ответа в имена переменных |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1135 такие же, как для переменных с префиксом |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1136 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1137 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
|
1138 последнего сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1139 </tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1140 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1141 <tag-name id="var_upstream_response_length"><var>$upstream_response_length</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1142 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1143 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1144 хранит длину ответа, полученного от сервера группы (0.7.27); |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1145 длина хранится в байтах. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1146 Длины нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1147 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1148 <link id="var_upstream_addr">$upstream_addr</link>. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1149 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1150 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1151 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1152 </tag-name> |
292 | 1153 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1154 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
|
1155 время хранится в секундах с точностью до миллисекунд. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1156 Времена нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1157 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1158 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1159 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1160 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1161 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name> |
292 | 1162 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1163 хранит статус ответа, полученного от сервера группы. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1164 Статусы нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1165 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1166 <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
|
1167 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
|
1168 переменная хранит статус <http-status code="502" text="Bad Gateway"/>. |
292 | 1169 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1170 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1171 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1172 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1173 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1174 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1175 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1176 </module> |