Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_upstream_module.xml @ 1578:31f21c7956dd
Changed "Bugs" to "Issues" for perl and spdy.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Mon, 28 Sep 2015 23:04:43 +0300 |
parents | ed420c318557 |
children | 201bf8fa69e5 |
rev | line source |
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222
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
292 | 10 <module name="Модуль ngx_http_upstream_module" |
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11 link="/ru/docs/http/ngx_http_upstream_module.html" |
589 | 12 lang="ru" |
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13 rev="42"> |
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14 |
110
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15 <section id="summary"> |
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16 |
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17 <para> |
292 | 18 Модуль <literal>ngx_http_upstream_module</literal> |
19 позволяет описывать группы серверов, | |
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20 которые могут использоваться в директивах |
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21 <link doc="ngx_http_proxy_module.xml" id="proxy_pass"/>, |
1181 | 22 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_pass"/>, |
1194 | 23 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_pass"/>, |
1181 | 24 <link doc="ngx_http_scgi_module.xml" id="scgi_pass"/> и |
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25 <link doc="ngx_http_memcached_module.xml" id="memcached_pass"/>. |
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26 </para> |
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27 |
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28 </section> |
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29 |
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30 |
292 | 31 <section id="example" name="Пример конфигурации"> |
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32 |
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33 <para> |
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34 <example> |
292 | 35 upstream <emphasis>backend</emphasis> { |
36 server backend1.example.com weight=5; | |
37 server backend2.example.com:8080; | |
38 server unix:/tmp/backend3; | |
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39 |
292 | 40 server backup1.example.com:8080 backup; |
41 server backup2.example.com:8080 backup; | |
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42 } |
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43 |
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44 server { |
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45 location / { |
292 | 46 proxy_pass http://<emphasis>backend</emphasis>; |
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47 } |
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48 } |
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49 </example> |
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50 </para> |
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51 |
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52 <para> |
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53 Динамически настраиваемая группа, |
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54 доступна как часть |
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55 <commercial_version>коммерческой подписки</commercial_version>: |
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56 <example> |
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57 resolver 10.0.0.1; |
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58 |
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59 upstream <emphasis>dynamic</emphasis> { |
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60 zone upstream_dynamic 64k; |
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61 |
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62 server backend1.example.com weight=5; |
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63 server backend2.example.com:8080 fail_timeout=5s slow_start=30s; |
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64 server 192.0.2.1 max_fails=3; |
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65 server backend3.example.com resolve; |
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66 |
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67 server backup1.example.com:8080 backup; |
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68 server backup2.example.com:8080 backup; |
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69 } |
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70 |
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71 server { |
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72 location / { |
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73 proxy_pass http://<emphasis>dynamic</emphasis>; |
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74 health_check; |
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75 } |
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76 } |
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77 </example> |
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78 </para> |
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79 |
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80 </section> |
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81 |
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82 |
292 | 83 <section id="directives" name="Директивы"> |
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84 |
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85 <directive name="upstream"> |
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86 <syntax block="yes"><value>название</value></syntax> |
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87 <default/> |
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88 <context>http</context> |
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89 |
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90 <para> |
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91 Описывает группу серверов. |
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92 Серверы могут слушать на разных портах. |
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93 Кроме того, можно одновременно использовать серверы, |
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94 слушающие на TCP- и UNIX-сокетах. |
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95 </para> |
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96 |
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97 <para> |
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98 Пример: |
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99 <example> |
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100 upstream backend { |
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101 server backend1.example.com weight=5; |
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102 server 127.0.0.1:8080 max_fails=3 fail_timeout=30s; |
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103 server unix:/tmp/backend3; |
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104 |
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105 server backup1.example.com backup; |
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106 } |
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107 </example> |
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108 </para> |
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109 |
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110 <para> |
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111 По умолчанию запросы распределяются по серверам циклически |
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112 (в режиме round-robin) с учётом весов серверов. |
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113 В вышеприведённом примере каждые 7 запросов будут распределены так: |
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114 5 запросов на <literal>backend1.example.com</literal> |
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115 и по одному запросу на второй и третий серверы. |
966 | 116 Если при попытке работы с сервером происходит ошибка, то запрос |
117 передаётся следующему серверу, и так далее до тех пор, пока не будут опробованы | |
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118 все работающие серверы. |
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119 Если не удастся получить успешный ответ |
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120 ни от одного из серверов, то клиенту будет возвращён результат работы |
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121 с последним сервером. |
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122 </para> |
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123 |
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124 </directive> |
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125 |
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126 |
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127 <directive name="server"> |
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128 <syntax><value>адрес</value> [<value>параметры</value>]</syntax> |
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129 <default/> |
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130 <context>upstream</context> |
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131 |
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132 <para> |
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133 Задаёт <value>адрес</value> и другие <value>параметры</value> |
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134 сервера. |
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135 Адрес может быть указан в виде доменного имени или IP-адреса, |
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136 и необязательного порта, или в виде пути UNIX-сокета, который |
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137 указывается после префикса “<literal>unix:</literal>”. |
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138 Если порт не указан, используется порт 80. |
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139 Доменное имя, которому соответствует несколько IP-адресов, |
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140 задаёт сразу несколько серверов. |
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141 </para> |
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142 |
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143 <para> |
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144 Могут быть заданы следующие параметры: |
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145 <list type="tag"> |
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146 |
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147 <tag-name id="weight"> |
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148 <literal>weight</literal>=<value>число</value> |
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149 </tag-name> |
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150 <tag-desc> |
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151 задаёт вес сервера, по умолчанию 1. |
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152 </tag-desc> |
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153 |
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154 <tag-name id="max_fails"> |
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155 <literal>max_fails</literal>=<value>число</value> |
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156 </tag-name> |
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157 <tag-desc> |
966 | 158 задаёт число неудачных попыток работы с сервером, которые должны произойти |
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159 в течение времени, заданного параметром <literal>fail_timeout</literal>, |
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160 чтобы сервер считался недоступным на период времени, также заданный |
966 | 161 параметром <literal>fail_timeout</literal>. |
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162 По умолчанию число попыток устанавливается равным 1. |
966 | 163 Нулевое значение отключает учёт попыток. |
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164 Что считается неудачной попыткой, определяется директивами |
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165 <link doc="ngx_http_proxy_module.xml" id="proxy_next_upstream"/>, |
1181 | 166 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_next_upstream"/>, |
1194 | 167 <link doc="ngx_http_uwsgi_module.xml" id="uwsgi_next_upstream"/>, |
1181 | 168 <link doc="ngx_http_scgi_module.xml" id="scgi_next_upstream"/> и |
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169 <link doc="ngx_http_memcached_module.xml" id="memcached_next_upstream"/>. |
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170 </tag-desc> |
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171 |
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172 <tag-name id="fail_timeout"> |
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173 <literal>fail_timeout</literal>=<value>время</value> |
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174 </tag-name> |
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175 <tag-desc> |
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176 задаёт |
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177 <list type="bullet"> |
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178 |
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179 <listitem> |
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180 время, в течение которого должно произойти заданное число неудачных |
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181 попыток работы с сервером для того, чтобы сервер считался недоступным; |
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182 </listitem> |
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183 |
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184 <listitem> |
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185 и время, в течение которого сервер будет считаться недоступным. |
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186 </listitem> |
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187 |
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188 </list> |
966 | 189 По умолчанию параметр равен 10 секундам. |
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190 </tag-desc> |
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191 |
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192 <tag-name id="backup"> |
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193 <literal>backup</literal> |
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194 </tag-name> |
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195 <tag-desc> |
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196 помечает сервер как запасной сервер. |
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197 На него будут передаваться запросы в случае, если не работают основные серверы. |
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198 </tag-desc> |
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199 |
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200 <tag-name id="down"> |
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201 <literal>down</literal> |
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202 </tag-name> |
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203 <tag-desc> |
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204 помечает сервер как постоянно недоступный. |
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205 </tag-desc> |
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206 |
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207 </list> |
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208 </para> |
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209 |
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210 <para> |
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211 Кроме того, |
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212 следующие параметры доступны как часть |
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213 <commercial_version>коммерческой подписки</commercial_version>: |
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214 <list type="tag"> |
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215 |
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216 <tag-name id="max_conns"> |
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217 <literal>max_conns</literal>=<value>число</value> |
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218 </tag-name> |
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219 <tag-desc> |
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220 ограничивает максимальное <value>число</value> одновременных активных |
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221 соединений к проксируемому серверу (1.5.9). |
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222 Значение по умолчанию равно 0 и означает, что ограничения нет. |
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223 <note> |
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224 При включённых <link id="keepalive">постоянных</link> соединениях и нескольких |
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225 <link doc="../ngx_core_module.xml" id="worker_processes">рабочих процессах</link> |
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226 общее число соединений с проксируемым сервером |
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227 может превышать значение <literal>max_conns</literal>. |
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228 </note> |
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229 </tag-desc> |
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230 |
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231 <tag-name id="resolve"> |
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232 <literal>resolve</literal> |
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233 </tag-name> |
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234 <tag-desc> |
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235 отслеживает изменения IP-адресов, соответствующих доменному имени сервера, |
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236 и автоматически изменяет конфигурацию группы |
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237 без необходимости перезапуска nginx (1.5.12). |
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238 <para> |
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239 Для работы этого параметра |
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240 директива <link doc="ngx_http_core_module.xml" id="resolver"/> |
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241 должна быть задана в блоке |
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242 <link doc="ngx_http_core_module.xml" id="http"/>. |
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243 Пример: |
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244 <example> |
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245 http { |
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246 resolver 10.0.0.1; |
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247 |
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248 upstream u { |
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249 zone ...; |
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250 ... |
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251 server example.com resolve; |
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252 } |
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253 } |
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254 </example> |
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255 </para> |
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256 </tag-desc> |
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257 |
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258 <tag-name id="route"> |
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259 <literal>route</literal>=<value>строка</value> |
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260 </tag-name> |
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261 <tag-desc> |
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262 задаёт имя маршрута к серверу. |
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263 </tag-desc> |
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264 |
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265 <tag-name id="slow_start"> |
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266 <literal>slow_start</literal>=<value>время</value> |
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267 </tag-name> |
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268 <tag-desc> |
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269 задаёт <value>время</value>, в течение которого вес сервера |
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270 восстановится от нуля до своего номинального значения в ситуации, когда |
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271 неработоспособный (unhealthy) сервер вновь становится работоспособным |
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272 (<link id="health_check">healthy</link>) |
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273 или когда сервер становится доступным по прошествии времени, |
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274 в течение которого он считался <link id="fail_timeout">недоступным</link>. |
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275 Значение по умолчанию равно нулю и означает, что медленный старт выключен. |
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276 </tag-desc> |
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277 |
533
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278 </list> |
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279 </para> |
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280 |
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281 <para> |
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282 <note> |
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283 Если в группе только один сервер, параметры <literal>max_fails</literal>, |
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284 <literal>fail_timeout</literal> и <literal>slow_start</literal> |
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285 игнорируются и такой сервер никогда не будет считаться недоступным. |
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286 </note> |
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287 </para> |
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288 |
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289 </directive> |
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290 |
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291 |
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292 <directive name="zone"> |
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293 <syntax><value>имя</value> [<value>размер</value>]</syntax> |
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294 <default/> |
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295 <context>upstream</context> |
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296 <appeared-in>1.9.0</appeared-in> |
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297 |
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298 <para> |
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299 Задаёт <value>имя</value> и <value>размер</value> зоны разделяемой памяти, |
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300 в которой хранятся конфигурация группы и её рабочее состояние, |
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301 разделяемые между рабочими процессами. |
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302 В одной и той же зоне могут быть сразу несколько групп. |
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303 В этом случае достаточно указать <value>размер</value> только один раз. |
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304 </para> |
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305 |
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306 <para> |
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307 Дополнительно, как часть |
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308 <commercial_version>коммерческой подписки</commercial_version>, |
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309 в таких группах для изменения состава группы |
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310 или настроек отдельных серверов |
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311 нет необходимости перезапускать nginx. |
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312 Конфигурация доступна через специальный location, |
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313 в котором указана директива |
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314 <link doc="ngx_http_upstream_conf_module.xml" id="upstream_conf"/>. |
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315 </para> |
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316 |
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317 </directive> |
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318 |
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319 |
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320 <directive name="hash"> |
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321 <syntax><value>ключ</value> [<literal>consistent</literal>]</syntax> |
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322 <default/> |
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323 <context>upstream</context> |
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324 <appeared-in>1.7.2</appeared-in> |
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325 |
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326 <para> |
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327 Задаёт метод балансировки нагрузки для группы, при котором |
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328 соответствие клиента серверу определяется при помощи |
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329 хэшированного значения <value>ключа</value>. |
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330 В качестве <value>ключа</value> может использоваться |
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331 текст, переменные и их комбинации. |
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332 Следует отметить, что любое добавление или удаление серверов в группе |
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333 может привести к перераспределению большинства ключей на другие серверы. |
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334 Метод совместим с библиотекой Perl |
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335 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>. |
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336 </para> |
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337 |
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338 <para> |
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339 Если задан параметр <literal>consistent</literal>, то вместо |
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340 вышеописанного метода будет использоваться метод консистентного хэширования |
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341 <link url="http://www.last.fm/user/RJ/journal/2007/04/10/392555/">ketama</link>. |
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342 Метод гарантирует, что при добавлении сервера в группу или его удалении |
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343 на другие серверы будет перераспределено минимальное число ключей. |
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344 Применение метода для кэширующих серверов обеспечивает |
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345 больший процент попаданий в кэш. |
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346 Метод совместим с библиотекой Perl |
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347 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached%3A%3AFast">Cache::Memcached::Fast</link> |
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348 при значении параметра <value>ketama_points</value> равным 160. |
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349 </para> |
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350 |
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351 </directive> |
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352 |
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parents:
1194
diff
changeset
|
353 |
76
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Russian documentation import.
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354 <directive name="ip_hash"> |
102
c76a257f3fd4
The directive name is now automatically printed in <default> and <syntax>.
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diff
changeset
|
355 <syntax/> |
99
1d315ef37215
The case <default/> is now language-agnostic.
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diff
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|
356 <default/> |
76
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357 <context>upstream</context> |
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358 |
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changeset
|
359 <para> |
533
fb630c3c5039
Revamped the upstream documentation somewhat.
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diff
changeset
|
360 Задаёт для группы метод балансировки нагрузки, при котором запросы |
fb630c3c5039
Revamped the upstream documentation somewhat.
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parents:
526
diff
changeset
|
361 распределяются по серверам на основе IP-адресов клиентов. |
fb630c3c5039
Revamped the upstream documentation somewhat.
Ruslan Ermilov <ru@nginx.com>
parents:
526
diff
changeset
|
362 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
|
363 октета IPv4-адреса клиента или IPv6-адрес клиента целиком. |
292 | 364 Метод гарантирует, что запросы одного и того же клиента |
365 будут всегда передаваться на один и тот же сервер. | |
1240
019f8273ee24
Upstream: translated the missing parts of the "server" directive.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1238
diff
changeset
|
366 Если же этот сервер будет считаться недоступным, |
292 | 367 то запросы этого клиента будут передаваться на другой сервер. |
368 С большой долей вероятности это также будет один и тот же сервер. | |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
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parents:
533
diff
changeset
|
369 <note> |
566 | 370 IPv6-адреса поддерживаются начиная с версий 1.3.2 и 1.2.2. |
542
a9e6a8613534
Documented IPv6 support in ip_hash.
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parents:
533
diff
changeset
|
371 </note> |
76
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Russian documentation import.
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parents:
diff
changeset
|
372 </para> |
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Russian documentation import.
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parents:
diff
changeset
|
373 |
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Russian documentation import.
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parents:
diff
changeset
|
374 <para> |
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parents:
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changeset
|
375 Если один из серверов нужно убрать на некоторое время, то для сохранения |
292 | 376 текущего хэширования IP-адресов клиентов этот сервер нужно пометить |
377 параметром <literal>down</literal>. | |
76
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parents:
diff
changeset
|
378 </para> |
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parents:
diff
changeset
|
379 |
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parents:
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changeset
|
380 <para> |
292 | 381 Пример: |
76
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parents:
diff
changeset
|
382 <example> |
292 | 383 upstream backend { |
76
4a4caa566120
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parents:
diff
changeset
|
384 ip_hash; |
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parents:
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changeset
|
385 |
292 | 386 server backend1.example.com; |
387 server backend2.example.com; | |
388 server backend3.example.com <emphasis>down</emphasis>; | |
389 server backend4.example.com; | |
76
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|
390 } |
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parents:
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changeset
|
391 </example> |
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parents:
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changeset
|
392 </para> |
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parents:
diff
changeset
|
393 |
526
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
394 <para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
395 <note> |
566 | 396 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
|
397 <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
|
398 </note> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
399 </para> |
4f907cde0382
1.3.1 changes: ip_hash+weight, least_conn.
Ruslan Ermilov <ru@nginx.com>
parents:
367
diff
changeset
|
400 |
76
4a4caa566120
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parents:
diff
changeset
|
401 </directive> |
4a4caa566120
Russian documentation import.
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parents:
diff
changeset
|
402 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
403 |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
404 <directive name="keepalive"> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
405 <syntax><value>соединения</value></syntax> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
406 <default/> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
407 <context>upstream</context> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
408 <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
|
409 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
410 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
411 Задействует кэш соединений для группы серверов. |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
412 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
413 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
414 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
415 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
|
416 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
|
417 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
|
418 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
|
419 закрываются. |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
420 <note> |
654
841118e33f41
Refined the text about cache of connections to upstream servers.
Ruslan Ermilov <ru@nginx.com>
parents:
589
diff
changeset
|
421 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
|
422 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
|
423 рабочие процессы nginx могут открыть. |
966 | 424 Параметр <value>соединения</value> следует устанавливать достаточно |
425 консервативно, чтобы серверы группы по-прежнему могли обрабатывать | |
426 новые входящие соединения. | |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
427 </note> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
428 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
429 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
430 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
431 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
|
432 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
433 upstream memcached_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
434 server 127.0.0.1:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
435 server 10.0.0.2:11211; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
436 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
437 keepalive 32; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
438 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
439 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
440 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
441 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
442 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
443 location /memcached/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
444 set $memcached_key $uri; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
445 memcached_pass memcached_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
446 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
447 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
448 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
449 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
450 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
451 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
452 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
453 Для HTTP директиву |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
454 <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
|
455 следует установить в “<literal>1.1</literal>”, |
367
f4033b9bc4ec
- Removed unnecessary instances of unbreakable space.
Ruslan Ermilov <ru@nginx.com>
parents:
325
diff
changeset
|
456 а поле заголовка <header>Connection</header> — очистить: |
316
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
457 <example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
458 upstream http_backend { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
459 server 127.0.0.1:8080; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
460 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
461 keepalive 16; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
462 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
463 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
464 server { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
465 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
466 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
467 location /http/ { |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
468 proxy_pass http://http_backend; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
469 proxy_http_version 1.1; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
470 proxy_set_header Connection ""; |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
471 ... |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
472 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
473 } |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
474 </example> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
475 </para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
476 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
parents:
292
diff
changeset
|
477 <para> |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
Ruslan Ermilov <ru@nginx.com>
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478 <note> |
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479 Хоть это и не рекомендуется, но также возможно использование постоянных |
966 | 480 соединений с HTTP/1.0, путём передачи поля заголовка |
316
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481 <header>Connection: Keep-Alive</header> серверу группы. |
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482 </note> |
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|
483 </para> |
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484 |
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|
485 <para> |
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diff
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|
486 Для работы постоянных соединений с FastCGI-серверами потребуется |
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|
487 включить директиву |
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|
488 <link doc="ngx_http_fastcgi_module.xml" id="fastcgi_keep_conn"/>: |
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489 <example> |
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490 upstream fastcgi_backend { |
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|
491 server 127.0.0.1:9000; |
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diff
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|
492 |
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diff
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|
493 keepalive 8; |
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494 } |
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|
495 |
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diff
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|
496 server { |
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Documented the following directives: "keepalive", "proxy_http_version",
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|
497 ... |
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|
498 |
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diff
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|
499 location /fastcgi/ { |
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|
500 fastcgi_pass fastcgi_backend; |
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|
501 fastcgi_keep_conn on; |
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|
502 ... |
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|
503 } |
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|
504 } |
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diff
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|
505 </example> |
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|
506 </para> |
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|
507 |
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|
508 <para> |
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diff
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|
509 <note> |
533
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Revamped the upstream documentation somewhat.
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526
diff
changeset
|
510 При использовании методов балансировки нагрузки, отличных |
316
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diff
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|
511 от стандартного round-robin, следует активировать их до |
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diff
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|
512 директивы <literal>keepalive</literal>. |
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diff
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|
513 </note> |
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diff
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|
514 |
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diff
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|
515 <note> |
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diff
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|
516 Протоколы SCGI и uwsgi не определяют семантику постоянных соединений. |
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diff
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|
517 </note> |
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diff
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|
518 </para> |
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diff
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|
519 |
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Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
520 </directive> |
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diff
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|
521 |
1fb1c077658b
Documented the following directives: "keepalive", "proxy_http_version",
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diff
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|
522 |
1561
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
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|
523 <directive name="ntlm"> |
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diff
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|
524 <syntax/> |
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diff
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|
525 <default/> |
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|
526 <context>upstream</context> |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
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|
527 <appeared-in>1.9.2</appeared-in> |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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|
528 |
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|
529 <para> |
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Updated docs for the upcoming NGINX Plus release.
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|
530 Позволяет проксировать запросы с |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
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|
531 <link url="https://en.wikipedia.org/wiki/Integrated_Windows_Authentication">проверкой |
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parents:
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diff
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|
532 подлинности NTLM</link>. |
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diff
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|
533 Соединение с сервером группы привязывается к клиентскому соединению, |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
534 как только клиент отправляет запрос, в заголовке которого есть поле |
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Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
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|
535 <header>Authorization</header> со значением, |
ed420c318557
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diff
changeset
|
536 начинающимся с “<literal>Negotiate</literal>” или “<literal>NTLM</literal>”. |
ed420c318557
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diff
changeset
|
537 Последующие запросы клиента будут проксироваться через это же соединение |
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|
538 с сервером группы, |
ed420c318557
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diff
changeset
|
539 сохраняя контекст аутентификации. |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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parents:
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diff
changeset
|
540 </para> |
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Updated docs for the upcoming NGINX Plus release.
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diff
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|
541 |
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diff
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|
542 <para> |
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diff
changeset
|
543 <note> |
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parents:
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diff
changeset
|
544 Эта директива доступна как часть |
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Updated docs for the upcoming NGINX Plus release.
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diff
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|
545 <commercial_version>коммерческой подписки</commercial_version>. |
ed420c318557
Updated docs for the upcoming NGINX Plus release.
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|
546 </note> |
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diff
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|
547 </para> |
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diff
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|
548 |
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Updated docs for the upcoming NGINX Plus release.
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diff
changeset
|
549 </directive> |
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Updated docs for the upcoming NGINX Plus release.
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diff
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|
550 |
ed420c318557
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parents:
1544
diff
changeset
|
551 |
1125
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
552 <directive name="least_conn"> |
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Upstream: reallocated the "queue" directive.
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parents:
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diff
changeset
|
553 <syntax/> |
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Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
554 <default/> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
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diff
changeset
|
555 <context>upstream</context> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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parents:
1124
diff
changeset
|
556 <appeared-in>1.3.1</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
557 <appeared-in>1.2.2</appeared-in> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
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parents:
1124
diff
changeset
|
558 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
559 <para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
560 Задаёт для группы метод балансировки нагрузки, при котором запрос |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
561 передаётся серверу с наименьшим числом активных соединений, |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
562 с учётом весов серверов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
563 Если подходит сразу несколько серверов, они выбираются циклически |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
564 (в режиме round-robin) с учётом их весов. |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
565 </para> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
566 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
567 </directive> |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
568 |
9a95b9026a16
Upstream: reallocated the "queue" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
1124
diff
changeset
|
569 |
1450
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
570 <directive name="least_time"> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
571 <syntax><literal>header</literal> | <literal>last_byte</literal></syntax> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
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diff
changeset
|
572 <default/> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
573 <context>upstream</context> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
574 <appeared-in>1.7.10</appeared-in> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
575 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
576 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
577 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
|
578 передаётся серверу с наименьшими средним временем ответа и |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
changeset
|
579 числом активных соединений с учётом весов серверов. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
580 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
|
581 (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
|
582 </para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
583 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
584 <para> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
585 Если указан параметр <literal>header</literal>, |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
586 то учитывается время получения |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
parents:
1418
diff
changeset
|
587 <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
|
588 Если указан параметр <literal>last_byte</literal>, то учитывается |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
1418
diff
changeset
|
589 время получения <link id="var_upstream_response_time">всего ответа</link>. |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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590 </para> |
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591 |
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592 <para> |
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593 <note> |
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594 Эта директива доступна как часть |
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595 <commercial_version>коммерческой подписки</commercial_version>. |
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596 </note> |
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597 </para> |
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598 |
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599 </directive> |
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600 |
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601 |
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602 <directive name="health_check"> |
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603 <syntax>[<value>параметры</value>]</syntax> |
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604 <default/> |
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605 <context>location</context> |
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606 |
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607 <para> |
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608 Активирует периодические проверки работоспособности серверов в |
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609 <link id="upstream">группе</link>, указанной в содержащем location. |
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610 </para> |
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611 |
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612 <para> |
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613 Могут быть заданы следующие необязательные параметры: |
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614 <list type="tag"> |
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615 |
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616 <tag-name id="interval"> |
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617 <literal>interval</literal>=<value>время</value> |
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618 </tag-name> |
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619 <tag-desc> |
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620 задаёт интервал между двумя последовательными проверками, |
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621 по умолчанию 5 секунд; |
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622 </tag-desc> |
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623 |
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624 <tag-name id="fails"> |
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625 <literal>fails</literal>=<value>число</value> |
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626 </tag-name> |
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627 <tag-desc> |
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628 задаёт число последовательных неуспешных проверок для определённого сервера, |
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629 после которых сервер будет считаться неработоспособным, |
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630 по умолчанию 1; |
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631 </tag-desc> |
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632 |
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633 <tag-name id="passes"> |
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634 <literal>passes</literal>=<value>число</value> |
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635 </tag-name> |
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636 <tag-desc> |
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637 задаёт число последовательных успешных проверок для определённого сервера, |
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638 после которых сервер будет считаться работоспособным, |
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639 по умолчанию 1; |
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640 </tag-desc> |
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641 |
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642 <tag-name id="uri"> |
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643 <literal>uri</literal>=<value>uri</value> |
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644 </tag-name> |
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645 <tag-desc> |
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646 задаёт URI, используемый в запросах, проверяющих работоспособность, |
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647 по умолчанию “<literal>/</literal>”; |
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648 </tag-desc> |
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649 |
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650 <tag-name id="hc_match"> |
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651 <literal>match</literal>=<value>имя</value> |
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652 </tag-name> |
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653 <tag-desc> |
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654 указывает на блок <literal>match</literal> с условиями, которым должен |
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655 удовлетворять ответ, чтобы результат проверки считался успешным; |
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656 по умолчанию код ответа должен быть 2xx или 3xx. |
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657 </tag-desc> |
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658 |
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659 </list> |
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660 </para> |
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661 |
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662 <para> |
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663 В примере |
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664 <example> |
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665 location / { |
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666 proxy_pass http://backend; |
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667 health_check; |
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668 } |
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669 </example> |
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670 каждому серверу группы <literal>backend</literal> |
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671 с интервалом в 5 секунд посылаются запросы “<literal>/</literal>”. |
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672 Если происходит ошибка или таймаут при работе с сервером, или |
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673 код ответа проксируемого сервера не равен |
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674 2xx или 3xx, проверка считается неуспешной и сервер |
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675 признаётся неработоспособным. |
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676 На неработоспособные серверы клиентские запросы передаваться не будут. |
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677 </para> |
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678 |
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679 <para> |
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680 Проверки работоспособности могут тестировать код ответа, |
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681 наличие или отсутствие определённых полей заголовка и их значений, |
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682 а также содержимое тела ответа. |
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683 Тесты настраиваются отдельно при помощи директивы <link id="match"/> |
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684 и указываются в параметре <literal>match</literal>. |
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685 Например: |
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686 <example> |
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687 http { |
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688 server { |
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689 ... |
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690 location / { |
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691 proxy_pass http://backend; |
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692 health_check match=welcome; |
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693 } |
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694 } |
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|
695 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
696 match welcome { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
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|
697 status 200; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
698 header Content-Type = text/html; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
699 body ~ "Welcome to nginx!"; |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
700 } |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
701 } |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
702 </example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
703 В такой конфигурации успешный ответ на проверочный запрос |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
704 должен иметь код 200, тип содержимого “<literal>text/html</literal>” |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
705 и “<literal>Welcome to nginx!</literal>” в теле ответа. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
706 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
707 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
708 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
709 Группа должна находиться в <link id="zone">зоне разделяемой памяти</link>. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
710 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
711 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
712 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
713 Если для группы задано несколько проверок, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
714 то при любой неуспешной проверке соответствующий сервер будет |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
715 считаться неработоспособным. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
716 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
717 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
718 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
719 <note> |
1348
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
720 Обратите внимание, что при использовании проверок |
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
721 большинство переменных имеют пустые значения. |
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
722 </note> |
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
723 </para> |
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
724 |
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
725 <para> |
5e45198fa991
Documented that with health checks most variables are useless.
Ruslan Ermilov <ru@nginx.com>
parents:
1259
diff
changeset
|
726 <note> |
1242
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
727 Эта директива доступна как часть |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
728 <commercial_version>коммерческой подписки</commercial_version>. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
729 </note> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
730 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
731 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
732 </directive> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
733 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
734 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
735 <directive name="match"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
736 <syntax block="yes"><value>имя</value></syntax> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
737 <default/> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
738 <context>http</context> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
739 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
740 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
741 Задаёт именованный набор тестов для анализа ответов |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
742 на запросы проверки работоспособности. |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
743 </para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
744 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
745 <para> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
746 В ответе могут быть протестированы следующие объекты: |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
747 <list type="tag"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
748 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
749 <tag-name><literal>status 200;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
750 <tag-desc>код ответа равен 200</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
751 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
752 <tag-name><literal>status ! 500;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
753 <tag-desc>код ответа не равен 500</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
754 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
755 <tag-name><literal>status 200 204;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
756 <tag-desc>код ответа равен 200 или 204</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
757 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
758 <tag-name><literal>status ! 301 302;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
759 <tag-desc>код ответа не равен ни 301, ни 302</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
760 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
761 <tag-name><literal>status 200-399;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
762 <tag-desc>код ответа находится в диапазоне от 200 до 399</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
763 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
764 <tag-name><literal>status ! 400-599;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
765 <tag-desc>код ответа находится вне диапазона от 400 до 599</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
766 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
767 <tag-name><literal>status 301-303 307;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
768 <tag-desc>код ответа равен 301, 302, 303 или 307</tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
769 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
770 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
771 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
772 <list type="tag"> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
773 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
774 <tag-name><literal>header Content-Type = text/html;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
775 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
776 заголовок содержит <header>Content-Type</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
777 со значением <literal>text/html</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
778 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
779 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
780 <tag-name><literal>header Content-Type != text/html;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
781 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
782 заголовок содержит <header>Content-Type</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
783 со значением, отличным от <literal>text/html</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
784 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
785 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
786 <tag-name><literal>header Connection ~ close;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
787 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
788 заголовок содержит <header>Connection</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
789 со значением, совпадающим с регулярным выражением <literal>close</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
790 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
791 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
792 <tag-name><literal>header Connection !~ close;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
793 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
794 заголовок содержит <header>Connection</header> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
795 со значением, не совпадающим с регулярным выражением <literal>close</literal> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
796 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
797 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
798 <tag-name><literal>header Host;</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1241
diff
changeset
|
799 <tag-desc>заголовок содержит <header>Host</header></tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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|
800 |
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Upstream: translated the "health_check" and "match" directives.
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diff
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|
801 <tag-name><literal>header ! X-Accel-Redirect;</literal></tag-name> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
802 <tag-desc>заголовок не содержит <header>X-Accel-Redirect</header></tag-desc> |
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Upstream: translated the "health_check" and "match" directives.
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|
803 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
804 </list> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
805 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
806 <list type="tag"> |
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Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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1241
diff
changeset
|
807 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
808 <tag-name><literal>body ~ "Welcome to nginx!";</literal></tag-name> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
809 <tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
810 тело ответа совпадает с регулярным выражением |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
811 “<literal>Welcome to nginx!</literal>” |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
812 </tag-desc> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
813 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
814 <tag-name><literal>body !~ "Welcome to nginx!";</literal></tag-name> |
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Upstream: translated the "health_check" and "match" directives.
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changeset
|
815 <tag-desc> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
816 тело ответа не совпадает с регулярным выражением |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
817 “<literal>Welcome to nginx!</literal>” |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
818 </tag-desc> |
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Upstream: translated the "health_check" and "match" directives.
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|
819 |
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Upstream: translated the "health_check" and "match" directives.
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|
820 </list> |
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Upstream: translated the "health_check" and "match" directives.
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|
821 </para> |
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|
822 |
935fe5eb82c4
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|
823 <para> |
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|
824 Если задано несколько тестов, |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
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|
825 то ответ должен удовлетворять всем тестам. |
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Upstream: translated the "health_check" and "match" directives.
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|
826 <note> |
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|
827 Проверяются только первые 256 Кбайт тела ответа. |
935fe5eb82c4
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diff
changeset
|
828 </note> |
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Upstream: translated the "health_check" and "match" directives.
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|
829 </para> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
830 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
831 <para> |
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Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
832 Примеры: |
935fe5eb82c4
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diff
changeset
|
833 <example> |
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|
834 # код ответа 200, тип содержимого "text/html" |
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|
835 # и тело ответа содержит "Welcome to nginx!" |
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Upstream: translated the "health_check" and "match" directives.
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diff
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|
836 match welcome { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
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|
837 status 200; |
935fe5eb82c4
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diff
changeset
|
838 header Content-Type = text/html; |
935fe5eb82c4
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diff
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|
839 body ~ "Welcome to nginx!"; |
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|
840 } |
935fe5eb82c4
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diff
changeset
|
841 </example> |
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Upstream: translated the "health_check" and "match" directives.
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diff
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|
842 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
843 <example> |
935fe5eb82c4
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|
844 # код ответа не равен 301, 302, 303 и 307 и заголовок не содержит "Refresh:" |
935fe5eb82c4
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diff
changeset
|
845 match not_redirect { |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
846 status ! 301-303 307; |
935fe5eb82c4
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diff
changeset
|
847 header ! Refresh; |
935fe5eb82c4
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diff
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|
848 } |
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|
849 </example> |
935fe5eb82c4
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diff
changeset
|
850 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
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|
851 <example> |
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changeset
|
852 # код ответа успешный и сервер не в сервисном режиме |
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diff
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|
853 match server_ok { |
935fe5eb82c4
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diff
changeset
|
854 status 200-399; |
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diff
changeset
|
855 body !~ "maintenance mode"; |
935fe5eb82c4
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diff
changeset
|
856 } |
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|
857 </example> |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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diff
changeset
|
858 |
935fe5eb82c4
Upstream: translated the "health_check" and "match" directives.
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|
859 </para> |
935fe5eb82c4
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diff
changeset
|
860 |
935fe5eb82c4
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|
861 <para> |
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|
862 <note> |
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diff
changeset
|
863 Эта директива доступна как часть |
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diff
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|
864 <commercial_version>коммерческой подписки</commercial_version>. |
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|
865 </note> |
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|
866 </para> |
935fe5eb82c4
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|
867 |
935fe5eb82c4
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changeset
|
868 </directive> |
935fe5eb82c4
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|
869 |
935fe5eb82c4
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diff
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|
870 |
1122
594093ef96b1
Upstream: documented the "queue" directive.
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diff
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|
871 <directive name="queue"> |
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|
872 <syntax> |
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|
873 <value>число</value> |
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|
874 [<literal>timeout</literal>=<value>время</value>]</syntax> |
594093ef96b1
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|
875 <default/> |
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diff
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|
876 <context>upstream</context> |
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|
877 <appeared-in>1.5.12</appeared-in> |
594093ef96b1
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diff
changeset
|
878 |
594093ef96b1
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diff
changeset
|
879 <para> |
594093ef96b1
Upstream: documented the "queue" directive.
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diff
changeset
|
880 Если при обработке запроса невозможно сразу выбрать сервер группы |
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diff
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|
881 и в группе есть серверы, у которых число соединений достигло |
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diff
changeset
|
882 ограничения <link id="max_conns"/>, |
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|
883 запрос будет помещён в очередь. |
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diff
changeset
|
884 Директива задаёт максимальное число запросов, которые могут одновременно |
594093ef96b1
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diff
changeset
|
885 находиться в очереди. |
594093ef96b1
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diff
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|
886 Если очередь переполнена |
594093ef96b1
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changeset
|
887 или за время, задаваемое параметром <literal>timeout</literal>, |
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diff
changeset
|
888 так и не удастся выбрать сервер для передачи ему запроса, |
594093ef96b1
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diff
changeset
|
889 клиенту будет возвращена ошибка. |
594093ef96b1
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|
890 </para> |
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changeset
|
891 |
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diff
changeset
|
892 <para> |
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changeset
|
893 По умолчанию параметр <literal>timeout</literal> равен 60 секундам. |
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|
894 </para> |
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|
895 |
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changeset
|
896 <para> |
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diff
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|
897 <note> |
1128
1594ed379f1f
De-i18n'ed <commercial_version/>.
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1127
diff
changeset
|
898 Эта директива доступна как часть |
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De-i18n'ed <commercial_version/>.
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diff
changeset
|
899 <commercial_version>коммерческой подписки</commercial_version>. |
1122
594093ef96b1
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diff
changeset
|
900 </note> |
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|
901 </para> |
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|
902 |
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changeset
|
903 </directive> |
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changeset
|
904 |
1234
314801ed88e7
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1230
diff
changeset
|
905 |
314801ed88e7
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parents:
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diff
changeset
|
906 <directive name="sticky"> |
1259
954dcc02cb63
Upstream: "session learn" sticky method and upstream_conf changes.
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1243
diff
changeset
|
907 <syntax> |
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diff
changeset
|
908 <literal>cookie</literal> <value>имя</value> |
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1243
diff
changeset
|
909 [<literal>expires=</literal><value>время</value>] |
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|
910 [<literal>domain=</literal><value>домен</value>] |
1450
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Updated commercial docs for the upcoming release.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
911 [<literal>httponly</literal>] |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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diff
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|
912 [<literal>secure</literal>] |
1259
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
913 [<literal>path=</literal><value>путь</value>]</syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
914 <syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
915 <literal>route</literal> <value>переменная</value> ...</syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
916 <syntax> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
917 <literal>learn</literal> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
918 <literal>create=</literal><value>$переменная</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
919 <literal>lookup=</literal><value>$переменная</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
920 <literal>zone=</literal><value>имя</value>:<value>размер</value> |
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
921 [<literal>timeout=</literal><value>время</value>]</syntax> |
1234
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diff
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|
922 <default/> |
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Upstream: translated the "sticky" directive.
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diff
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|
923 <context>upstream</context> |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
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|
924 <appeared-in>1.5.7</appeared-in> |
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Upstream: translated the "sticky" directive.
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diff
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|
925 |
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|
926 <para> |
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Upstream: translated the "sticky" directive.
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|
927 Включает режим привязки сеансов, в котором запросы клиента |
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Upstream: translated the "sticky" directive.
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diff
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|
928 будут передаваться на один и тот же сервер группы. |
1259
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Upstream: "session learn" sticky method and upstream_conf changes.
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diff
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|
929 Доступны три метода: |
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Upstream: "session learn" sticky method and upstream_conf changes.
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|
930 <list type="tag"> |
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|
931 <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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|
932 <tag-desc> |
1234
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diff
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|
933 |
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|
934 <para> |
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Upstream: translated the "sticky" directive.
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|
935 При использовании метода <literal>cookie</literal> информация о |
314801ed88e7
Upstream: translated the "sticky" directive.
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|
936 назначенном сервере передаётся в HTTP-куке: |
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Upstream: translated the "sticky" directive.
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diff
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|
937 <example> |
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Upstream: translated the "sticky" directive.
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|
938 upstream backend { |
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Upstream: translated the "sticky" directive.
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|
939 server backend1.example.com; |
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Upstream: translated the "sticky" directive.
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|
940 server backend2.example.com; |
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Upstream: translated the "sticky" directive.
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|
941 |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
942 sticky cookie srv_id expires=1h domain=.example.com path=/; |
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Upstream: translated the "sticky" directive.
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diff
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|
943 } |
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Upstream: translated the "sticky" directive.
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diff
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|
944 </example> |
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Upstream: translated the "sticky" directive.
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diff
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|
945 </para> |
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Upstream: translated the "sticky" directive.
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diff
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|
946 |
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|
947 <para> |
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Upstream: translated the "sticky" directive.
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diff
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|
948 Запрос от клиента, ещё не привязанного к определённому серверу, |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
949 передаётся на сервер, выбранный согласно настроенному методу балансировки. |
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Upstream: translated the "sticky" directive.
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|
950 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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|
951 Если назначенный сервер не может обработать запрос, выбирается новый |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
952 сервер как если бы клиент не имел привязки к серверу. |
314801ed88e7
Upstream: translated the "sticky" directive.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
953 </para> |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
954 |
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Upstream: translated the "sticky" directive.
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|
955 <para> |
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Upstream: translated the "sticky" directive.
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changeset
|
956 Первый параметр задаёт имя куки, которую необходимо установить или проверить. |
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Upstream: translated the "sticky" directive.
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diff
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|
957 Дополнительные параметры могут быть следующими: |
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Upstream: translated the "sticky" directive.
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|
958 <list type="tag"> |
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Upstream: translated the "sticky" directive.
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|
959 |
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Updated commercial docs for the upcoming release.
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|
960 <tag-name><literal>expires=</literal><value>время</value></tag-name> |
1234
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|
961 <tag-desc> |
1450
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|
962 Задаёт <value>время</value>, в течение которого браузеру необходимо хранить куку. |
1234
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Upstream: translated the "sticky" directive.
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|
963 Специальное значение <literal>max</literal> устанавливает срок хранения куки до |
314801ed88e7
Upstream: translated the "sticky" directive.
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changeset
|
964 31 декабря 2037 года 23:55:55 GMT. |
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Upstream: translated the "sticky" directive.
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|
965 Если параметр не указан, то время действия куки ограничивается сессией браузера. |
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Upstream: translated the "sticky" directive.
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|
966 </tag-desc> |
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Upstream: translated the "sticky" directive.
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|
967 |
1450
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Updated commercial docs for the upcoming release.
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|
968 <tag-name><literal>domain=</literal><value>домен</value></tag-name> |
1234
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|
969 <tag-desc> |
1450
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|
970 Задаёт <value>домен</value>, для которого устанавливается кука. |
1234
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|
971 </tag-desc> |
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|
972 |
1450
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|
973 <tag-name><literal>httponly</literal></tag-name> |
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Updated commercial docs for the upcoming release.
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|
974 <tag-desc> |
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|
975 Добавляет атрибут <literal>HttpOnly</literal> к куке (1.7.11). |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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|
976 </tag-desc> |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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|
977 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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changeset
|
978 <tag-name><literal>secure</literal></tag-name> |
1234
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|
979 <tag-desc> |
1450
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|
980 Добавляет атрибут <literal>Secure</literal> к куке (1.7.11). |
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|
981 </tag-desc> |
f5b5eefc43cb
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|
982 |
f5b5eefc43cb
Updated commercial docs for the upcoming release.
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parents:
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changeset
|
983 <tag-name><literal>path=</literal><value>путь</value></tag-name> |
f5b5eefc43cb
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|
984 <tag-desc> |
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Updated commercial docs for the upcoming release.
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|
985 Задаёт <value>путь</value>, для которого устанавливается кука. |
1234
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|
986 </tag-desc> |
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|
987 |
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|
988 </list> |
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Upstream: translated the "sticky" directive.
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|
989 Если пропущен тот или иной параметр, то соответствующего поля в куке не будет. |
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|
990 </para> |
1259
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|
991 </tag-desc> |
954dcc02cb63
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|
992 |
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changeset
|
993 <tag-name id="sticky_route"><literal>route</literal></tag-name> |
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|
994 <tag-desc> |
1234
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|
995 |
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|
996 <para> |
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|
997 При использовании метода <literal>route</literal> проксируемый сервер назначает |
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Upstream: translated the "sticky" directive.
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changeset
|
998 клиенту маршрут по получении первого запроса. |
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Upstream: translated the "sticky" directive.
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changeset
|
999 Все последующие запросы от этого клиента будут содержать информацию о |
314801ed88e7
Upstream: translated the "sticky" directive.
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changeset
|
1000 маршруте в куке или URI. |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1001 Эта информация сравнивается с параметром “<literal>route</literal>” директивы |
314801ed88e7
Upstream: translated the "sticky" directive.
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diff
changeset
|
1002 <link id="server"/> для идентификации сервера, на который |
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Upstream: translated the "sticky" directive.
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diff
changeset
|
1003 следует проксировать запрос. |
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Upstream: translated the "sticky" directive.
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|
1004 Если назначенный сервер не может обработать запрос, выбирается новый сервер |
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diff
changeset
|
1005 согласно настроенному методу балансировки как если бы в запросе не было |
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Upstream: translated the "sticky" directive.
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changeset
|
1006 информации о маршруте. |
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|
1007 </para> |
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|
1008 |
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|
1009 <para> |
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changeset
|
1010 Параметры метода <literal>route</literal> задают переменные, которые |
1238
763db729e6a4
Upstream: corrected translation in sticky route.
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1237
diff
changeset
|
1011 могут содержать информацию о маршруте. |
1234
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changeset
|
1012 Первая непустая переменная используется для поиска соответствующего сервера. |
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|
1013 </para> |
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|
1014 |
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changeset
|
1015 <para> |
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1016 Пример: |
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1017 <example> |
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1018 map $cookie_jsessionid $route_cookie { |
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1019 ~.+\.(?P<route>\w+)$ $route; |
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1020 } |
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1021 |
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1022 map $request_uri $route_uri { |
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1023 ~jsessionid=.+\.(?P<route>\w+)$ $route; |
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1024 } |
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1025 |
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1026 upstream backend { |
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1027 server backend1.example.com route=a; |
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1028 server backend2.example.com route=b; |
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1029 |
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1030 sticky route $route_cookie $route_uri; |
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1031 } |
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1032 </example> |
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1033 В этом примере маршрут берётся из куки “<literal>JSESSIONID</literal>”, |
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1034 если она присутствует в запросе. |
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1035 В противном случае используется маршрут из URI. |
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1036 </para> |
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1037 |
1259
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1038 </tag-desc> |
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1039 |
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1040 <tag-name id="sticky_learn"><literal>learn</literal></tag-name> |
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1041 <tag-desc> |
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1042 <para> |
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1043 При использовании метода <literal>learn</literal> (1.7.1) nginx |
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1044 анализирует ответы от вышестоящего сервера и запоминает |
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1045 начатые им сессии, которые обычно передаются в HTTP-куке. |
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1046 <example> |
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1047 upstream backend { |
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1048 server backend1.example.com:8080; |
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1049 server backend2.example.com:8081; |
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1050 |
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1051 sticky learn |
1544
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1052 create=$upstream_cookie_examplecookie |
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1053 lookup=$cookie_examplecookie |
1259
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1054 zone=client_sessions:1m; |
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1055 } |
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1056 </example> |
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1057 |
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1058 В примере выше сервер группы создаёт сессию путём установки |
1544
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1059 куки “<literal>EXAMPLECOOKIE</literal>” в своём ответе. |
1259
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1060 Последующие запросы с этой кукой будут передаваться на этот же сервер. |
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1061 Если сервер не может обработать запрос, выбирается новый |
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1062 сервер как если бы клиент не имел привязки к серверу. |
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1063 </para> |
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1064 |
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1065 <para> |
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1066 Параметры <literal>create</literal> и <literal>lookup</literal> |
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1067 задают переменные, в которых соответственно указывается способ |
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1068 создания новых и поиска существующих сессий. |
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1069 Оба параметра могут быть указаны больше одного раза |
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1070 (в этом случае используется первая непустая переменная). |
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1071 </para> |
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1072 |
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1073 <para> |
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1074 Сессии хранятся в зоне разделяемой памяти, <value>имя</value> и |
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1075 <value>размер</value> которой задаются параметром <literal>zone</literal>. |
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1076 Зоны размером в 1 мегабайт достаточно для хранения около 8 тысяч сессий |
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1077 на 64-битной платформе. |
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1078 Сессии, к которым не было обращений в течение времени, заданного параметром |
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1079 <literal>timeout</literal>, удаляются из зоны. |
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1080 По умолчанию <literal>timeout</literal> равен 10 минутам. |
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1081 </para> |
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1082 |
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1083 </tag-desc> |
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1084 </list> |
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1085 </para> |
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1086 |
1234
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1087 <para> |
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1088 <note> |
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1089 Эта директива доступна как часть |
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1090 <commercial_version>коммерческой подписки</commercial_version>. |
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1091 </note> |
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1092 </para> |
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1093 |
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1094 </directive> |
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1095 |
1237
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1096 |
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1097 <directive name="sticky_cookie_insert"> |
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1098 <syntax><value>имя</value> |
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1099 [<literal>expires=</literal><value>время</value>] |
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1100 [<literal>domain=</literal><value>домен</value>] |
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1101 [<literal>path=</literal><value>путь</value>]</syntax> |
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1102 <default/> |
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1103 <context>upstream</context> |
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1104 |
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1105 <para> |
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1106 Эта директива устарела начиная с версии 1.5.7. |
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1107 Вместо неё следует использовать аналогичную директиву |
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1108 <link id="sticky"/> с изменённым синтаксисом: |
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1109 <note> |
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1110 <literal>sticky cookie</literal> <value>имя</value> |
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1111 [<literal>expires=</literal><value>время</value>] |
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1112 [<literal>domain=</literal><value>домен</value>] |
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1113 [<literal>path=</literal><value>путь</value>]; |
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1114 </note> |
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1115 </para> |
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1116 |
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1117 </directive> |
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1118 |
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1119 </section> |
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1120 |
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1121 |
292 | 1122 <section id="variables" name="Встроенные переменные"> |
76
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1123 |
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1124 <para> |
292 | 1125 Модуль <literal>ngx_http_upstream_module</literal> |
1126 поддерживает следующие встроенные переменные: | |
1127 <list type="tag"> | |
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1128 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1129 <tag-name id="var_upstream_addr"><var>$upstream_addr</var></tag-name> |
292 | 1130 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1131 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
|
1132 Если при обработке запроса были сделаны обращения к нескольким серверам, |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1133 то их адреса разделяются запятой, например, |
292 | 1134 “<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
|
1135 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
|
1136 с помощью |
292 | 1137 <header>X-Accel-Redirect</header> или |
1138 <link doc="ngx_http_core_module.xml" id="error_page"/>, | |
966 | 1139 то адреса, соответствующие разным группам серверов, разделяются двоеточием, |
1140 например, | |
292 | 1141 “<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>”. |
1142 </tag-desc> | |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1143 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1144 <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
|
1145 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1146 <tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1147 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
|
1148 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
|
1149 “<literal>BYPASS</literal>”, “<literal>EXPIRED</literal>”, |
1016
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1150 “<literal>STALE</literal>”, “<literal>UPDATING</literal>”, |
2d8269d8fea8
Translated documentation on cache revalidation into russian.
Vladimir Homutov <vl@nginx.com>
parents:
966
diff
changeset
|
1151 “<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
|
1152 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1153 |
1481
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1154 <tag-name id="var_upstream_connect_time"><var>$upstream_connect_time</var> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1155 </tag-name> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1156 <tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1157 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
|
1158 время хранится в секундах с точностью до миллисекунд. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1159 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
|
1160 Времена нескольких соединений |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1161 разделяются запятыми и двоеточиями подобно адресам в переменной |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1162 <link id="var_upstream_addr">$upstream_addr</link>. |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1163 </tag-desc> |
f29398a167d0
Documented the upstream_connect_time variable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1461
diff
changeset
|
1164 |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1165 <tag-name id="var_upstream_cookie_"><var>$upstream_cookie_</var><value>имя</value> |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1166 </tag-name> |
1186
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1167 <tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1168 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
|
1169 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
|
1170 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
|
1171 последнего сервера. |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1172 </tag-desc> |
8125bec5c7a1
Upstream: documented the $upstream_cookie_* variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1181
diff
changeset
|
1173 |
1393
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1174 <tag-name id="var_upstream_header_time"><var>$upstream_header_time</var> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1175 </tag-name> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1176 <tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1177 хранит время, |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1178 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
|
1179 время хранится в секундах с точностью до миллисекунд. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1180 Времена нескольких ответов |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1181 разделяются запятыми и двоеточиями подобно адресам в переменной |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1182 <link id="var_upstream_addr">$upstream_addr</link>. |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1183 </tag-desc> |
15e8779f0ceb
Documented the $upstream_header_time variable.
Ruslan Ermilov <ru@nginx.com>
parents:
1392
diff
changeset
|
1184 |
1392
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1185 <tag-name id="var_upstream_http_"><var>$upstream_http_</var><value>имя</value></tag-name> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1186 <tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1187 хранят поля заголовка ответа сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1188 Например, поле заголовка ответа <header>Server</header> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1189 доступно в переменной <var>$upstream_http_server</var>. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1190 Правила преобразования имён полей заголовка ответа в имена переменных |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1191 такие же, как для переменных с префиксом |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1192 “<link doc="ngx_http_core_module.xml" id="var_http_">$http_</link>”. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1193 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
|
1194 последнего сервера. |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1195 </tag-desc> |
82e62822abe8
Sorted upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1391
diff
changeset
|
1196 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1197 <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
|
1198 </tag-name> |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1199 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1200 хранит длину ответа, полученного от сервера группы (0.7.27); |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1201 длина хранится в байтах. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1202 Длины нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1203 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1204 <link id="var_upstream_addr">$upstream_addr</link>. |
731
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1205 </tag-desc> |
f62328124e5b
Documented $upstream_cache_status and $upstream_response_length variables.
Vladimir Homutov <vl@nginx.com>
parents:
654
diff
changeset
|
1206 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1207 <tag-name id="var_upstream_response_time"><var>$upstream_response_time</var> |
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1208 </tag-name> |
292 | 1209 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1210 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
|
1211 время хранится в секундах с точностью до миллисекунд. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1212 Времена нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1213 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1214 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1215 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1216 |
1155
07402a11fd8d
Assigned IDs to tags describing variables.
Vladimir Homutov <vl@nginx.com>
parents:
1128
diff
changeset
|
1217 <tag-name id="var_upstream_status"><var>$upstream_status</var></tag-name> |
292 | 1218 <tag-desc> |
1391
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1219 хранит статус ответа, полученного от сервера группы. |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1220 Статусы нескольких ответов |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1221 разделяются запятыми и двоеточиями подобно адресам в переменной |
0702cc081c63
Revised descriptions of upstream module variables.
Ruslan Ermilov <ru@nginx.com>
parents:
1386
diff
changeset
|
1222 <link id="var_upstream_addr">$upstream_addr</link>. |
292 | 1223 </tag-desc> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1224 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1225 </list> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1226 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1227 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1228 </section> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1229 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1230 </module> |