Mercurial > hg > nginx-site
annotate xml/ru/docs/http/ngx_http_scgi_module.xml @ 1290:f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Fri, 12 Sep 2014 16:38:33 +0400 |
parents | 57fc39924d42 |
children | 91a064bdb4f9 |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Igor Sysoev |
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5 Copyright (C) Nginx, Inc. |
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6 --> |
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7 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
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9 |
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10 <module name="Модуль ngx_http_scgi_module" |
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11 link="/ru/docs/http/ngx_http_scgi_module.html" |
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12 lang="ru" |
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13 rev="6"> |
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14 |
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15 <section id="summary"> |
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16 |
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17 <para> |
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18 Модуль <literal>ngx_http_scgi_module</literal> позволяет передавать |
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19 запросы SCGI-серверу. |
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20 </para> |
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21 |
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22 </section> |
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23 |
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24 |
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25 <section id="example" name="Пример конфигурации"> |
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26 |
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27 <para> |
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28 <example> |
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29 location / { |
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30 include scgi_params; |
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31 scgi_pass localhost:9000; |
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32 } |
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33 </example> |
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34 </para> |
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35 |
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36 </section> |
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37 |
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38 |
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39 <section id="directives" name="Директивы"> |
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40 |
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41 <directive name="scgi_bind"> |
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42 <syntax><value>адрес</value> | <literal>off</literal></syntax> |
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43 <default/> |
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44 <context>http</context> |
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45 <context>server</context> |
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46 <context>location</context> |
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47 |
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48 <para> |
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49 Задаёт локальный IP-<value>адрес</value>, который будет использоваться в |
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50 исходящих соединениях с SCGI-сервером. |
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51 В значении параметра допустимо использование переменных (1.3.12). |
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52 Специальное значение <literal>off</literal> (1.3.12) отменяет действие |
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53 унаследованной с предыдущего уровня конфигурации |
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54 директивы <literal>scgi_bind</literal>, позволяя системе |
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55 самостоятельно выбирать локальный IP-адрес. |
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56 </para> |
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57 |
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58 </directive> |
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59 |
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60 |
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61 <directive name="scgi_buffer_size"> |
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62 <syntax><value>размер</value></syntax> |
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63 <default>4k|8k</default> |
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64 <context>http</context> |
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65 <context>server</context> |
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66 <context>location</context> |
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67 |
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68 <para> |
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69 Задаёт <value>размер</value> буфера, в который будет читаться |
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70 первая часть ответа, получаемого от SCGI-сервера. |
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71 В этой части ответа находится, как правило, небольшой заголовок ответа. |
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72 По умолчанию размер буфера равен размеру одного буфера в директиве |
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73 <link id="scgi_buffers"/>, однако его можно сделать меньше. |
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74 </para> |
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75 |
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76 </directive> |
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77 |
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78 |
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79 <directive name="scgi_buffering"> |
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80 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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81 <default>on</default> |
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82 <context>http</context> |
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83 <context>server</context> |
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84 <context>location</context> |
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85 |
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86 <para> |
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87 Разрешает или запрещает использовать буферизацию ответов SCGI-сервера. |
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88 </para> |
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89 |
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90 <para> |
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91 Если буферизация включена, то nginx принимает ответ SCGI-сервера |
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92 как можно быстрее, сохраняя его в буферы, заданные директивами |
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93 <link id="scgi_buffer_size"/> и <link id="scgi_buffers"/>. |
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94 Если ответ не вмещается целиком в память, то его часть может быть записана |
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95 на диск во <link id="scgi_temp_path">временный файл</link>. |
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96 Запись во временные файлы контролируется директивами |
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97 <link id="scgi_max_temp_file_size"/> и |
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98 <link id="scgi_temp_file_write_size"/>. |
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99 </para> |
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100 |
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101 <para> |
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102 Если буферизация выключена, то ответ синхронно передаётся клиенту сразу же |
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103 по мере его поступления. |
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104 nginx не пытается считать весь ответ SCGI-сервера. |
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105 Максимальный размер данных, который nginx может принять от сервера |
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106 за один раз, задаётся директивой <link id="scgi_buffer_size"/>. |
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107 </para> |
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108 |
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109 <para> |
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110 Буферизация может быть также включена или выключена путём передачи |
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111 значения “<literal>yes</literal>” или “<literal>no</literal>” в поле |
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112 <header>X-Accel-Buffering</header> заголовка ответа. |
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113 Эту возможность можно запретить с помощью директивы |
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114 <link id="scgi_ignore_headers"/>. |
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115 </para> |
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116 |
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117 </directive> |
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118 |
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119 |
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120 <directive name="scgi_buffers"> |
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121 <syntax><value>число</value> <value>размер</value></syntax> |
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122 <default>8 4k|8k</default> |
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123 <context>http</context> |
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124 <context>server</context> |
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125 <context>location</context> |
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126 |
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127 <para> |
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128 Задаёт <value>число</value> и <value>размер</value> буферов |
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129 для одного соединения, |
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130 в которые будет читаться ответ, получаемый от SCGI-сервера. |
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131 По умолчанию размер одного буфера равен размеру страницы. |
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132 В зависимости от платформы это или 4K, или 8K. |
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133 </para> |
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134 |
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135 </directive> |
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136 |
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137 |
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138 <directive name="scgi_busy_buffers_size"> |
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139 <syntax><value>размер</value></syntax> |
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140 <default>8k|16k</default> |
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141 <context>http</context> |
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142 <context>server</context> |
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143 <context>location</context> |
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144 |
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145 <para> |
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146 При включённой <link id="scgi_buffering">буферизации</link> ответов |
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147 SCGI-сервера, ограничивает суммарный <value>размер</value> |
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148 буферов, которые могут быть заняты для отправки ответа клиенту, пока |
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149 ответ ещё не прочитан целиком. |
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150 Оставшиеся буферы тем временем могут использоваться для чтения ответа |
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151 и, при необходимости, буферизации части ответа во временный файл. |
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152 По умолчанию <value>размер</value> ограничен двумя буферами, заданными |
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153 директивами <link id="scgi_buffer_size"/> и <link id="scgi_buffers"/>. |
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154 </para> |
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155 |
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156 </directive> |
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157 |
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158 |
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159 <directive name="scgi_cache"> |
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160 <syntax><value>зона</value> | <literal>off</literal></syntax> |
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161 <default>off</default> |
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162 <context>http</context> |
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163 <context>server</context> |
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164 <context>location</context> |
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165 |
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166 <para> |
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167 Задаёт зону разделяемой памяти, используемой для кэширования. |
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168 Одна и та же зона может использоваться в нескольких местах. |
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169 Параметр <literal>off</literal> запрещает кэширование, унаследованное |
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170 с предыдущего уровня конфигурации. |
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171 </para> |
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172 |
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173 </directive> |
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174 |
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175 |
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176 <directive name="scgi_cache_bypass"> |
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177 <syntax><value>строка</value> ...</syntax> |
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178 <default/> |
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179 <context>http</context> |
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180 <context>server</context> |
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181 <context>location</context> |
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182 |
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183 <para> |
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184 Задаёт условия, при которых ответ не будет браться из кэша. |
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185 Если значение хотя бы одного из строковых параметров непустое и не равно “0”, |
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186 то ответ не берётся из кэша: |
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187 <example> |
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188 scgi_cache_bypass $cookie_nocache $arg_nocache$arg_comment; |
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189 scgi_cache_bypass $http_pragma $http_authorization; |
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190 </example> |
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191 Можно использовать совместно с директивой <link id="scgi_no_cache"/>. |
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192 </para> |
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193 |
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194 </directive> |
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195 |
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196 |
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197 <directive name="scgi_cache_key"> |
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198 <syntax><value>строка</value></syntax> |
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199 <default/> |
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200 <context>http</context> |
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201 <context>server</context> |
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202 <context>location</context> |
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203 |
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204 <para> |
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205 Задаёт ключ для кэширования, например, |
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206 <example> |
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207 scgi_cache_key localhost:9000$request_uri; |
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208 </example> |
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209 </para> |
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210 |
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211 </directive> |
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212 |
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213 |
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214 <directive name="scgi_cache_lock"> |
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215 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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216 <default>off</default> |
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217 <context>http</context> |
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218 <context>server</context> |
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219 <context>location</context> |
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220 <appeared-in>1.1.12</appeared-in> |
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221 |
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222 <para> |
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223 Если включено, одновременно только одному запросу будет позволено |
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224 заполнить новый элемент кэша, идентифицируемый согласно директиве |
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225 <link id="scgi_cache_key"/>, передав запрос на SCGI-сервер. |
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226 Остальные запросы этого же элемента будут либо ожидать |
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227 появления ответа в кэше, либо освобождения блокировки |
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228 этого элемента, в течение времени, заданного директивой |
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229 <link id="scgi_cache_lock_timeout"/>. |
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230 </para> |
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231 |
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232 </directive> |
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233 |
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234 |
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235 <directive name="scgi_cache_lock_timeout"> |
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236 <syntax><value>время</value></syntax> |
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237 <default>5s</default> |
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238 <context>http</context> |
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239 <context>server</context> |
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240 <context>location</context> |
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241 <appeared-in>1.1.12</appeared-in> |
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242 |
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243 <para> |
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244 Задаёт таймаут для <link id="scgi_cache_lock"/>. |
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245 </para> |
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246 |
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247 </directive> |
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248 |
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249 |
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250 <directive name="scgi_cache_methods"> |
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251 <syntax> |
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252 <literal>GET</literal> | |
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253 <literal>HEAD</literal> | |
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254 <literal>POST</literal> |
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255 ...</syntax> |
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256 <default>GET HEAD</default> |
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257 <context>http</context> |
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258 <context>server</context> |
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259 <context>location</context> |
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260 |
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261 <para> |
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262 Если метод запроса клиента указан в этой директиве, |
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263 то ответ будет закэширован. |
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264 Методы “<literal>GET</literal>” и “<literal>HEAD</literal>” всегда добавляются |
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265 в список, но тем не менее рекомендуется перечислять их явно. |
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266 См. также директиву <link id="scgi_no_cache"/>. |
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267 </para> |
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268 |
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269 </directive> |
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270 |
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271 |
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272 <directive name="scgi_cache_min_uses"> |
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273 <syntax><value>число</value></syntax> |
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274 <default>1</default> |
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275 <context>http</context> |
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276 <context>server</context> |
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277 <context>location</context> |
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278 |
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279 <para> |
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280 Задаёт <value>число</value> запросов, после которого ответ будет закэширован. |
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281 </para> |
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282 |
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283 </directive> |
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284 |
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285 |
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286 <directive name="scgi_cache_path"> |
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287 <syntax> |
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288 <value>путь</value> |
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289 [<literal>levels</literal>=<value>уровни</value>] |
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290 <literal>keys_zone</literal>=<value>имя</value>:<value>размер</value> |
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291 [<literal>inactive</literal>=<value>время</value>] |
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292 [<literal>max_size</literal>=<value>размер</value>] |
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293 [<literal>loader_files</literal>=<value>число</value>] |
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294 [<literal>loader_sleep</literal>=<value>время</value>] |
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295 [<literal>loader_threshold</literal>=<value>время</value>]</syntax> |
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296 <default/> |
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297 <context>http</context> |
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298 |
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299 <para> |
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300 Задаёт путь и другие параметры кэша. |
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301 Данные кэша хранятся в файлах. |
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302 Именем файла в кэше является результат функции MD5 |
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303 от <link id="scgi_cache_key">ключа кэширования</link>. |
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304 Параметр <literal>levels</literal> задаёт уровни иерархии кэша, |
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305 например, при использовании |
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306 <example> |
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307 scgi_cache_path /data/nginx/cache levels=1:2 keys_zone=one:10m; |
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308 </example> |
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309 имена файлов в кэше будут такого вида: |
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310 <example> |
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311 /data/nginx/cache/<emphasis>c</emphasis>/<emphasis>29</emphasis>/b7f54b2df7773722d382f4809d650<emphasis>29c</emphasis> |
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312 </example> |
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313 </para> |
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314 |
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315 <para> |
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316 Кэшируемый ответ сначала записывается во временный файл, а потом этот файл |
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317 переименовывается. |
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318 Начиная с версии 0.8.9, временные файлы и кэш |
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319 могут располагаться на разных файловых системах. |
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320 Однако нужно учитывать, |
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321 что в этом случае вместо дешёвой операции переименовывания в пределах |
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322 одной файловой системы файл копируется с одной файловой системы на другую. |
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323 Поэтому лучше, если кэш будет находиться на той же файловой |
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324 системе, что и каталог с временными файлами, задаваемый директивой |
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325 <link id="scgi_temp_path"/> для данного location. |
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326 </para> |
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327 |
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328 <para> |
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329 Кроме того, все активные ключи и информация о данных хранятся в зоне |
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330 разделяемой памяти, <value>имя</value> и <value>размер</value> которой |
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331 задаются параметром <literal>keys_zone</literal>. |
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332 Зоны размером в 1 мегабайт достаточно для хранения около 8 тысяч ключей. |
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333 </para> |
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334 |
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335 <para> |
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336 Если к данным кэша не обращаются в течение времени, заданного параметром |
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337 <literal>inactive</literal>, то данные удаляются, независимо от их свежести. |
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338 По умолчанию <literal>inactive</literal> равен 10 минутам. |
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339 </para> |
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340 |
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341 <para> |
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342 Специальный процесс “cache manager” следит за максимальным размером кэша, |
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343 заданным параметром <literal>max_size</literal>, и при превышении |
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344 его размеров удаляет наименее востребованные данные. |
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345 </para> |
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346 |
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347 <para> |
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348 Через минуту после старта активируется специальный процесс “cache loader”, |
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349 который загружает в зону кэша информацию о ранее закэшированных данных, |
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350 хранящихся на файловой системе. |
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351 Загрузка происходит итерациями. |
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352 За одну итерацию загружается не более <literal>loader_files</literal> |
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353 элементов (по умолчанию 100). |
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354 Кроме того, время работы одной итерации ограничено параметром |
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355 <literal>loader_threshold</literal> (по умолчанию 200 миллисекунд). |
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356 Между итерациями делается пауза на время, заданное параметром |
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357 <literal>loader_sleep</literal> (по умолчанию 50 миллисекунд). |
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358 </para> |
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359 |
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360 </directive> |
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361 |
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362 |
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363 <directive name="scgi_cache_purge"> |
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364 <syntax>строка ...</syntax> |
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365 <default/> |
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366 <context>http</context> |
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367 <context>server</context> |
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368 <context>location</context> |
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369 <appeared-in>1.5.7</appeared-in> |
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370 |
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371 <para> |
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372 Задаёт условия, при которых запрос будет считаться запросом |
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373 на очистку кэша. |
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374 Если значение хотя бы одного из строковых параметров непустое и не равно “0”, |
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375 то запись в кэше с соответствующим |
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376 <link id="scgi_cache_key">ключом кэширования</link> удаляется. |
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377 В результате успешной операции возвращается ответ с кодом |
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378 <http-status code="204" text="No Content"/>. |
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379 </para> |
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380 |
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381 <para> |
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382 Если <link id="scgi_cache_key">ключ кэширования</link> |
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383 запроса на очистку заканчивается |
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384 звёздочкой (“<literal>*</literal>”), то все записи в кэше, соответствующие |
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385 этой маске, будут удалены из кэша. |
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386 </para> |
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387 |
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388 <para> |
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389 Пример конфигурации: |
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390 <example> |
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391 scgi_cache_path /data/nginx/cache keys_zone=cache_zone:10m; |
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392 |
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393 map $request_method $purge_method { |
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394 PURGE 1; |
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395 default 0; |
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396 } |
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397 |
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398 server { |
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399 ... |
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400 location / { |
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401 scgi_pass http://backend; |
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402 scgi_cache cache_zone; |
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403 scgi_cache_key $uri; |
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404 scgi_cache_purge $purge_method; |
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405 } |
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406 } |
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407 </example> |
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408 <note> |
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409 Функциональность доступна как часть |
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410 <commercial_version>коммерческой подписки</commercial_version>. |
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411 </note> |
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412 </para> |
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413 |
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414 </directive> |
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415 |
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416 |
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417 <directive name="scgi_cache_revalidate"> |
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418 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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419 <default>off</default> |
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420 <context>http</context> |
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421 <context>server</context> |
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422 <context>location</context> |
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423 <appeared-in>1.5.7</appeared-in> |
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424 |
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425 <para> |
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426 Разрешает ревалидацию просроченных элементов кэша при помощи |
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427 условных запросов с полями заголовка |
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428 <header>If-Modified-Since</header> и <header>If-None-Match</header>. |
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429 </para> |
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430 |
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431 </directive> |
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432 |
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433 |
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434 <directive name="scgi_cache_use_stale"> |
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435 <syntax> |
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436 <literal>error</literal> | |
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437 <literal>timeout</literal> | |
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438 <literal>invalid_header</literal> | |
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439 <literal>updating</literal> | |
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440 <literal>http_500</literal> | |
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441 <literal>http_503</literal> | |
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442 <literal>http_403</literal> | |
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443 <literal>http_404</literal> | |
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444 <literal>off</literal> |
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445 ...</syntax> |
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446 <default>off</default> |
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447 <context>http</context> |
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448 <context>server</context> |
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449 <context>location</context> |
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450 |
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451 <para> |
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452 Определяет, в каких случаях можно использовать устаревший закэшированный ответ, |
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453 если при работе с SCGI-сервером возникла ошибка. |
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454 Параметры директивы совпадают с параметрами |
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455 директивы <link id="scgi_next_upstream"/>. |
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456 </para> |
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457 |
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458 <para> |
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459 Кроме того, дополнительный параметр <literal>updating</literal> |
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460 разрешает использовать устаревший закэшированный ответ, |
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461 если на данный момент он уже обновляется. |
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462 Это позволяет минимизировать число обращений к SCGI-серверам |
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463 при обновлении закэшированных данных. |
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464 </para> |
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465 |
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466 <para> |
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467 Чтобы минимизировать число обращений к SCGI-серверам при |
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468 заполнении нового элемента кэша, можно воспользоваться директивой |
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469 <link id="scgi_cache_lock"/>. |
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470 </para> |
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471 |
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472 </directive> |
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473 |
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474 |
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475 <directive name="scgi_cache_valid"> |
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476 <syntax>[<value>код</value> ...] <value>время</value></syntax> |
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477 <default/> |
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478 <context>http</context> |
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479 <context>server</context> |
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480 <context>location</context> |
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481 |
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482 <para> |
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483 Задаёт время кэширования для разных кодов ответа. |
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484 Например, директивы |
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485 <example> |
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486 scgi_cache_valid 200 302 10m; |
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487 scgi_cache_valid 404 1m; |
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488 </example> |
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489 задают время кэширования 10 минут для ответов с кодами 200 и 302 |
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490 и 1 минуту для ответов с кодом 404. |
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491 </para> |
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492 |
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493 <para> |
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494 Если указано только <value>время</value> кэширования, |
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495 <example> |
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496 scgi_cache_valid 5m; |
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497 </example> |
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498 то кэшируются только ответы 200, 301 и 302. |
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499 </para> |
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500 |
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501 <para> |
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502 Кроме того, можно кэшировать любые ответы с помощью параметра |
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503 <literal>any</literal>: |
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504 <example> |
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505 scgi_cache_valid 200 302 10m; |
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506 scgi_cache_valid 301 1h; |
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507 scgi_cache_valid any 1m; |
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508 </example> |
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509 </para> |
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510 |
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511 <para> |
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512 Параметры кэширования могут также быть заданы непосредственно |
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513 в заголовке ответа. |
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514 Такой способ приоритетнее, чем задание времени кэширования с помощью директивы. |
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515 Поле заголовка <header>X-Accel-Expires</header> задаёт время кэширования |
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516 ответа в секундах. |
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517 Значение 0 запрещает кэшировать ответ. |
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518 Если значение начинается с префикса <literal>@</literal>, оно задаёт абсолютное |
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519 время в секундах с начала эпохи, до которого ответ может быть закэширован. |
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520 Если в заголовке нет поля <header>X-Accel-Expires</header>, |
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521 параметры кэширования определяются по полям заголовка |
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522 <header>Expires</header> или <header>Cache-Control</header>. |
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523 Ответ, в заголовке которого есть поле <header>Set-Cookie</header>, |
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524 не будет кэшироваться. |
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525 Обработка одного или более из этих полей заголовка может быть отключена |
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526 при помощи директивы <link id="scgi_ignore_headers"/>. |
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527 </para> |
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528 |
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529 </directive> |
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530 |
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531 |
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532 <directive name="scgi_connect_timeout"> |
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533 <syntax><value>время</value></syntax> |
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534 <default>60s</default> |
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535 <context>http</context> |
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536 <context>server</context> |
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537 <context>location</context> |
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538 |
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539 <para> |
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540 Задаёт таймаут для установления соединения с SCGI-сервером. |
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541 Необходимо иметь в виду, что этот таймаут обычно не может превышать 75 секунд. |
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542 </para> |
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543 |
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|
544 </directive> |
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545 |
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546 |
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547 <directive name="scgi_hide_header"> |
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548 <syntax><value>поле</value></syntax> |
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549 <default/> |
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|
550 <context>http</context> |
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551 <context>server</context> |
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552 <context>location</context> |
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553 |
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|
554 <para> |
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|
555 По умолчанию |
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556 nginx не передаёт клиенту поля заголовка <header>Status</header> и |
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557 <header>X-Accel-...</header> из ответа SCGI-сервера. |
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558 Директива <literal>scgi_hide_header</literal> задаёт дополнительные поля, |
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559 которые не будут передаваться. |
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560 Если же передачу полей нужно разрешить, можно воспользоваться |
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561 директивой <link id="scgi_pass_header"/>. |
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562 </para> |
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|
563 |
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|
564 </directive> |
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|
565 |
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|
566 |
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567 <directive name="scgi_ignore_client_abort"> |
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568 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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|
569 <default>off</default> |
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570 <context>http</context> |
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571 <context>server</context> |
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572 <context>location</context> |
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573 |
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574 <para> |
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575 Определяет, закрывать ли соединение с SCGI-сервером |
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576 в случае, если клиент закрыл соединение, не дождавшись ответа. |
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577 </para> |
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578 |
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579 </directive> |
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|
580 |
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|
581 |
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582 <directive name="scgi_ignore_headers"> |
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583 <syntax><value>поле</value> ...</syntax> |
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584 <default/> |
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585 <context>http</context> |
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586 <context>server</context> |
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587 <context>location</context> |
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588 |
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parents:
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589 <para> |
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590 Запрещает обработку некоторых полей заголовка из ответа SCGI-сервера. |
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591 В директиве можно указать поля <header>X-Accel-Redirect</header>, |
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592 <header>X-Accel-Expires</header>, <header>X-Accel-Limit-Rate</header> (1.1.6), |
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593 <header>X-Accel-Buffering</header> (1.1.6), |
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594 <header>X-Accel-Charset</header> (1.1.6), <header>Expires</header>, |
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595 <header>Cache-Control</header> и <header>Set-Cookie</header> (0.8.44). |
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596 </para> |
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|
597 |
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598 <para> |
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599 Если не запрещено, обработка этих полей заголовка заключается в следующем: |
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600 <list type="bullet" compact="no"> |
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601 |
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|
602 <listitem> |
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603 <header>X-Accel-Expires</header>, <header>Expires</header>, |
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604 <header>Cache-Control</header> и <header>Set-Cookie</header> |
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|
605 задают параметры <link id="scgi_cache_valid">кэширования</link> ответа; |
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606 </listitem> |
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|
607 |
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608 <listitem> |
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|
609 <header>X-Accel-Redirect</header> производит |
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610 <link doc="ngx_http_core_module.xml" id="internal">внутреннее |
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611 перенаправление</link> на указанный URI; |
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612 </listitem> |
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parents:
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613 |
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parents:
diff
changeset
|
614 <listitem> |
1ce4912eb182
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parents:
diff
changeset
|
615 <header>X-Accel-Limit-Rate</header> задаёт |
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parents:
diff
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|
616 <link doc="ngx_http_core_module.xml" id="limit_rate">ограничение |
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Translated SCGI module documentation into Russian.
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parents:
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changeset
|
617 скорости</link> передачи ответа клиенту; |
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parents:
diff
changeset
|
618 </listitem> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
619 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
620 <listitem> |
1ce4912eb182
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parents:
diff
changeset
|
621 <header>X-Accel-Buffering</header> включает или выключает |
1ce4912eb182
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parents:
diff
changeset
|
622 <link id="scgi_buffering">буферизацию</link> ответа; |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
623 </listitem> |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
624 |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
625 <listitem> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
626 <header>X-Accel-Charset</header> задаёт желаемую |
1ce4912eb182
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parents:
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627 <link doc="ngx_http_charset_module.xml" id="charset">кодировку</link> |
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parents:
diff
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|
628 ответа. |
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parents:
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|
629 </listitem> |
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parents:
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|
630 |
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parents:
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changeset
|
631 </list> |
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parents:
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|
632 </para> |
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parents:
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|
633 |
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parents:
diff
changeset
|
634 </directive> |
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parents:
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|
635 |
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parents:
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changeset
|
636 |
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|
637 <directive name="scgi_intercept_errors"> |
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parents:
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changeset
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638 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
639 <default>off</default> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
640 <context>http</context> |
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parents:
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|
641 <context>server</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
642 <context>location</context> |
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|
643 |
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parents:
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|
644 <para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
645 Определяет, передавать ли клиенту ответы SCGI-сервера с кодом |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
646 больше либо равным 300, или же перенаправлять их на обработку nginx’у с помощью |
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parents:
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changeset
|
647 директивы <link doc="ngx_http_core_module.xml" id="error_page"/>. |
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|
648 </para> |
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parents:
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changeset
|
649 |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
650 </directive> |
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|
651 |
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Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
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|
652 |
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|
653 <directive name="scgi_max_temp_file_size"> |
1ce4912eb182
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|
654 <syntax><value>размер</value></syntax> |
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diff
changeset
|
655 <default>1024m</default> |
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parents:
diff
changeset
|
656 <context>http</context> |
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parents:
diff
changeset
|
657 <context>server</context> |
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parents:
diff
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|
658 <context>location</context> |
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parents:
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changeset
|
659 |
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parents:
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changeset
|
660 <para> |
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parents:
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|
661 Если включена <link id="scgi_buffering">буферизация</link> ответов |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
662 SCGI-сервера, и ответ не вмещается целиком в буферы, |
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parents:
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|
663 заданные директивами <link id="scgi_buffer_size"/> и |
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parents:
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|
664 <link id="scgi_buffers"/>, часть ответа может быть записана во временный файл. |
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|
665 Эта директива задаёт максимальный <value>размер</value> временного файла. |
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|
666 Размер данных, сбрасываемых во временный файл за один раз, задаётся |
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parents:
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|
667 директивой <link id="scgi_temp_file_write_size"/>. |
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|
668 </para> |
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|
669 |
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|
670 <para> |
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|
671 Значение 0 отключает возможность буферизации ответов во временные файлы. |
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672 </para> |
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|
673 |
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parents:
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|
674 </directive> |
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parents:
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|
675 |
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parents:
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|
676 |
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parents:
diff
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|
677 <directive name="scgi_next_upstream"> |
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|
678 <syntax> |
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|
679 <literal>error</literal> | |
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parents:
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|
680 <literal>timeout</literal> | |
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|
681 <literal>invalid_header</literal> | |
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|
682 <literal>http_500</literal> | |
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|
683 <literal>http_503</literal> | |
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|
684 <literal>http_403</literal> | |
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parents:
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|
685 <literal>http_404</literal> | |
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|
686 <literal>off</literal> |
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parents:
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changeset
|
687 ...</syntax> |
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parents:
diff
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|
688 <default>error timeout</default> |
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parents:
diff
changeset
|
689 <context>http</context> |
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parents:
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|
690 <context>server</context> |
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parents:
diff
changeset
|
691 <context>location</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
692 |
1ce4912eb182
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parents:
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|
693 <para> |
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parents:
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|
694 Определяет, в каких случаях запрос будет передан следующему серверу: |
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parents:
diff
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|
695 <list type="tag"> |
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parents:
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|
696 |
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parents:
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|
697 <tag-name><literal>error</literal></tag-name> |
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parents:
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|
698 <tag-desc>произошла ошибка соединения с сервером, передачи ему запроса или |
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parents:
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|
699 чтения заголовка ответа сервера;</tag-desc> |
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parents:
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|
700 |
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parents:
diff
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|
701 <tag-name><literal>timeout</literal></tag-name> |
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parents:
diff
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|
702 <tag-desc>произошёл таймаут во время соединения с сервером, |
1ce4912eb182
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parents:
diff
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|
703 передачи ему запроса или чтения заголовка ответа сервера;</tag-desc> |
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parents:
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changeset
|
704 |
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parents:
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|
705 <tag-name><literal>invalid_header</literal></tag-name> |
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parents:
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|
706 <tag-desc>сервер вернул пустой или неверный ответ;</tag-desc> |
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parents:
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|
707 |
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parents:
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|
708 <tag-name><literal>http_500</literal></tag-name> |
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parents:
diff
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|
709 <tag-desc>сервер вернул ответ с кодом 500;</tag-desc> |
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parents:
diff
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|
710 |
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parents:
diff
changeset
|
711 <tag-name><literal>http_503</literal></tag-name> |
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parents:
diff
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|
712 <tag-desc>сервер вернул ответ с кодом 503;</tag-desc> |
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parents:
diff
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|
713 |
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parents:
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|
714 <tag-name><literal>http_403</literal></tag-name> |
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parents:
diff
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|
715 <tag-desc>сервер вернул ответ с кодом 403;</tag-desc> |
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parents:
diff
changeset
|
716 |
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parents:
diff
changeset
|
717 <tag-name><literal>http_404</literal></tag-name> |
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parents:
diff
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|
718 <tag-desc>сервер вернул ответ с кодом 404;</tag-desc> |
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parents:
diff
changeset
|
719 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
720 <tag-name><literal>off</literal></tag-name> |
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parents:
diff
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|
721 <tag-desc>запрещает передачу запроса следующему серверу.</tag-desc> |
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parents:
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|
722 |
1ce4912eb182
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parents:
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|
723 </list> |
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parents:
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|
724 </para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
725 |
1ce4912eb182
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parents:
diff
changeset
|
726 <para> |
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parents:
diff
changeset
|
727 Необходимо понимать, что передача запроса следующему серверу возможна |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
728 только при условии, что клиенту ещё ничего не передавалось. |
1ce4912eb182
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parents:
diff
changeset
|
729 То есть, если ошибка или таймаут возникли в середине передачи ответа, |
1ce4912eb182
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parents:
diff
changeset
|
730 то исправить это уже невозможно. |
1ce4912eb182
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parents:
diff
changeset
|
731 </para> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
732 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
733 <para> |
1289
57fc39924d42
Proxy/memcached/fastcgi/scgi/uwsgi: updated link in _next_upstream directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1246
diff
changeset
|
734 Директива также определяет, что считается |
57fc39924d42
Proxy/memcached/fastcgi/scgi/uwsgi: updated link in _next_upstream directives.
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diff
changeset
|
735 <link doc="ngx_http_upstream_module.xml" id="max_fails">неудачной |
57fc39924d42
Proxy/memcached/fastcgi/scgi/uwsgi: updated link in _next_upstream directives.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1246
diff
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|
736 попыткой</link> работы с сервером. |
1183
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
737 Случаи <literal>error</literal>, <literal>timeout</literal> и |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
738 <literal>invalid_header</literal> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
739 всегда считаются неудачными попытками, даже если они не указаны в директиве. |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
740 Случаи <literal>http_500</literal> и <literal>http_503</literal> |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
741 считаются неудачными попытками, только если они указаны в директиве. |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
742 Случаи <literal>http_403</literal> и <literal>http_404</literal> |
1ce4912eb182
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parents:
diff
changeset
|
743 никогда не считаются неудачными попытками. |
1ce4912eb182
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parents:
diff
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|
744 </para> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
745 |
1290
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
1289
diff
changeset
|
746 <para> |
f5cc9f2aef9a
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
747 Передача запроса следующему серверу может быть ограничена по |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
748 <link id="scgi_next_upstream_tries">количеству попыток</link> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
749 и по <link id="scgi_next_upstream_timeout">времени</link>. |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
1289
diff
changeset
|
750 </para> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
751 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
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diff
changeset
|
752 </directive> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
753 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
754 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
755 <directive name="scgi_next_upstream_timeout"> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
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diff
changeset
|
756 <syntax><value>время</value></syntax> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
757 <default>0</default> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
758 <context>http</context> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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diff
changeset
|
759 <context>server</context> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
760 <context>location</context> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
1289
diff
changeset
|
761 <appeared-in>1.7.5</appeared-in> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
762 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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1289
diff
changeset
|
763 <para> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
764 Ограничивает время, в течение которого возможна передача запроса |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
765 <link id="scgi_next_upstream">следующему серверу</link>. |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
766 Значение <literal>0</literal> отключает это ограничение. |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
1289
diff
changeset
|
767 </para> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
768 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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diff
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|
769 </directive> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
770 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
771 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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diff
changeset
|
772 <directive name="scgi_next_upstream_tries"> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
1289
diff
changeset
|
773 <syntax><value>число</value></syntax> |
f5cc9f2aef9a
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
774 <default>0</default> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
775 <context>http</context> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
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diff
changeset
|
776 <context>server</context> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
777 <context>location</context> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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1289
diff
changeset
|
778 <appeared-in>1.7.5</appeared-in> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
1289
diff
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|
779 |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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diff
changeset
|
780 <para> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
781 Ограничивает число допустимых попыток для передачи запроса |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
1289
diff
changeset
|
782 <link id="scgi_next_upstream">следующему серверу</link>. |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
783 Значение <literal>0</literal> отключает это ограничение. |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
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parents:
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diff
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|
784 </para> |
f5cc9f2aef9a
Proxy/memcached/fastcgi/scgi/uwsgi: _next_upstream_timeout,_next_upstream_tries.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
785 |
1183
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
786 </directive> |
1ce4912eb182
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diff
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|
787 |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
788 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
789 <directive name="scgi_no_cache"> |
1ce4912eb182
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parents:
diff
changeset
|
790 <syntax><value>строка</value> ...</syntax> |
1ce4912eb182
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parents:
diff
changeset
|
791 <default/> |
1ce4912eb182
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diff
changeset
|
792 <context>http</context> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
793 <context>server</context> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
794 <context>location</context> |
1ce4912eb182
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parents:
diff
changeset
|
795 |
1ce4912eb182
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parents:
diff
changeset
|
796 <para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
797 Задаёт условия, при которых ответ не будет сохраняться в кэш. |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
798 Если значение хотя бы одного из строковых параметров непустое и не равно “0”, |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
799 то ответ не будет сохранён: |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
800 <example> |
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diff
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|
801 scgi_no_cache $cookie_nocache $arg_nocache$arg_comment; |
1ce4912eb182
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parents:
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|
802 scgi_no_cache $http_pragma $http_authorization; |
1ce4912eb182
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parents:
diff
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|
803 </example> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
804 Можно использовать совместно с директивой <link id="scgi_cache_bypass"/>. |
1ce4912eb182
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parents:
diff
changeset
|
805 </para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
806 |
1ce4912eb182
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parents:
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changeset
|
807 </directive> |
1ce4912eb182
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parents:
diff
changeset
|
808 |
1ce4912eb182
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parents:
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changeset
|
809 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
810 <directive name="scgi_param"> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
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|
811 <syntax> |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
812 <value>параметр</value> <value>значение</value> |
1ce4912eb182
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parents:
diff
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|
813 [<literal>if_not_empty</literal>]</syntax> |
1ce4912eb182
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parents:
diff
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|
814 <default/> |
1ce4912eb182
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parents:
diff
changeset
|
815 <context>http</context> |
1ce4912eb182
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parents:
diff
changeset
|
816 <context>server</context> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
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|
817 <context>location</context> |
1ce4912eb182
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diff
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|
818 |
1ce4912eb182
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parents:
diff
changeset
|
819 <para> |
1ce4912eb182
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diff
changeset
|
820 Задаёт <value>параметр</value>, который будет передаваться SCGI-серверу. |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
821 В качестве значения можно использовать текст, переменные и их комбинации. |
1ce4912eb182
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parents:
diff
changeset
|
822 Директивы наследуются с предыдущего уровня при условии, что на данном |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
823 уровне не описаны свои директивы <literal>scgi_param</literal>. |
1ce4912eb182
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parents:
diff
changeset
|
824 </para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
825 |
1ce4912eb182
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parents:
diff
changeset
|
826 <para> |
1ce4912eb182
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diff
changeset
|
827 Стандартные |
1ce4912eb182
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parents:
diff
changeset
|
828 <link url="http://tools.ietf.org/html/rfc3875#section-4.1">переменные |
1ce4912eb182
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|
829 окружения CGI</link> |
1ce4912eb182
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parents:
diff
changeset
|
830 должны передаваться как заголовки SCGI, см. файл <path>scgi_params</path> |
1ce4912eb182
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parents:
diff
changeset
|
831 из дистрибутива: |
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parents:
diff
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|
832 <example> |
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parents:
diff
changeset
|
833 location / { |
1ce4912eb182
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parents:
diff
changeset
|
834 include scgi_params; |
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parents:
diff
changeset
|
835 ... |
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parents:
diff
changeset
|
836 } |
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parents:
diff
changeset
|
837 </example> |
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parents:
diff
changeset
|
838 </para> |
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parents:
diff
changeset
|
839 |
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parents:
diff
changeset
|
840 <para> |
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parents:
diff
changeset
|
841 Если директива указана с <literal>if_not_empty</literal> (1.1.11), |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
842 то такой параметр с пустым значением передаваться на сервер не будет: |
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parents:
diff
changeset
|
843 <example> |
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parents:
diff
changeset
|
844 scgi_param HTTPS $https if_not_empty; |
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parents:
diff
changeset
|
845 </example> |
1ce4912eb182
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parents:
diff
changeset
|
846 </para> |
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parents:
diff
changeset
|
847 |
1ce4912eb182
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parents:
diff
changeset
|
848 </directive> |
1ce4912eb182
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parents:
diff
changeset
|
849 |
1ce4912eb182
Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
850 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
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|
851 <directive name="scgi_pass"> |
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Translated SCGI module documentation into Russian.
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parents:
diff
changeset
|
852 <syntax><value>адрес</value></syntax> |
1ce4912eb182
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parents:
diff
changeset
|
853 <default/> |
1ce4912eb182
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parents:
diff
changeset
|
854 <context>location</context> |
1ce4912eb182
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parents:
diff
changeset
|
855 <context>if в location</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
856 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
857 <para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
858 Задаёт адрес SCGI-сервера. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
859 Адрес может быть указан в виде доменного имени или адреса, и порта, например, |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
860 <example> |
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parents:
diff
changeset
|
861 scgi_pass localhost:9000; |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
862 </example> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
863 или в виде пути UNIX-сокета: |
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parents:
diff
changeset
|
864 <example> |
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parents:
diff
changeset
|
865 scgi_pass unix:/tmp/scgi.socket; |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
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|
866 </example> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
867 </para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
868 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
869 <para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
870 Если доменному имени соответствует несколько адресов, то все они будут |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
871 использоваться по очереди (round-robin). |
1ce4912eb182
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parents:
diff
changeset
|
872 И, кроме того, адрес может быть |
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parents:
diff
changeset
|
873 <link doc="ngx_http_upstream_module.xml">группой серверов</link>. |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
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|
874 </para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
875 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
876 </directive> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
877 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
878 |
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parents:
diff
changeset
|
879 <directive name="scgi_pass_header"> |
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parents:
diff
changeset
|
880 <syntax><value>поле</value></syntax> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
881 <default/> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
882 <context>http</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
883 <context>server</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
884 <context>location</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
885 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
886 <para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
887 Разрешает передавать от SCGI-сервера клиенту |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
888 <link id="scgi_hide_header">запрещённые для передачи</link> поля заголовка. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
889 </para> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
890 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
891 </directive> |
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parents:
diff
changeset
|
892 |
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parents:
diff
changeset
|
893 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
894 <directive name="scgi_read_timeout"> |
1ce4912eb182
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parents:
diff
changeset
|
895 <syntax><value>время</value></syntax> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
896 <default>60s</default> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
897 <context>http</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
898 <context>server</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
899 <context>location</context> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
900 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
901 <para> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
902 Задаёт таймаут при чтении ответа SCGI-сервера. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
903 Таймаут устанавливается не на всю передачу ответа, |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
904 а только между двумя операциями чтения. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
905 Если по истечении этого времени SCGI-сервер ничего не передаст, |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
906 соединение закрывается. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
907 </para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
908 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
909 </directive> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
910 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
911 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
912 <directive name="scgi_pass_request_body"> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
913 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
914 <default>on</default> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
915 <context>http</context> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
916 <context>server</context> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
917 <context>location</context> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
918 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
919 <para> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
920 Позволяет запретить передачу исходного тела запроса |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
921 на SCGI-сервер. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
922 См. также директиву <link id="scgi_pass_request_headers"/>. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
923 </para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
924 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
925 </directive> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
926 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
927 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
928 <directive name="scgi_pass_request_headers"> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
929 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
930 <default>on</default> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
931 <context>http</context> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
932 <context>server</context> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
933 <context>location</context> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
934 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
935 <para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
936 Позволяет запретить передачу полей заголовка исходного запроса на |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
937 SCGI-сервер. |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
938 См. также директивы <link id="scgi_pass_request_body"/>. |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
939 </para> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
940 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
941 </directive> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
942 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
943 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
944 <directive name="scgi_send_timeout"> |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
945 <syntax><value>время</value></syntax> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
946 <default>60s</default> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
947 <context>http</context> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
948 <context>server</context> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
949 <context>location</context> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
950 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
951 <para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
952 Задаёт таймаут при передаче запроса SCGI-серверу. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
953 Таймаут устанавливается не на всю передачу запроса, |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
954 а только между двумя операциями записи. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
955 Если по истечении этого времени SCGI-сервер не примет новых данных, |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
956 соединение закрывается. |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
957 </para> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
958 |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
959 </directive> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
960 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
961 |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
962 <directive name="scgi_store"> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
963 <syntax> |
1ce4912eb182
Translated SCGI module documentation into Russian.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
964 <literal>on</literal> | |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
965 <literal>off</literal> | |
1ce4912eb182
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff
changeset
|
966 <value>строка</value></syntax> |
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967 <default>off</default> |
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|
968 <context>http</context> |
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|
969 <context>server</context> |
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|
970 <context>location</context> |
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|
971 |
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972 <para> |
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973 Разрешает сохранение на диск файлов. |
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|
974 Параметр <literal>on</literal> сохраняет файлы в соответствии с путями, |
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975 указанными в директивах |
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976 <link doc="ngx_http_core_module.xml" id="alias"/> или |
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|
977 <link doc="ngx_http_core_module.xml" id="root"/>. |
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|
978 Параметр <literal>off</literal> запрещает сохранение файлов. |
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979 Кроме того, имя файла можно задать явно с помощью строки с переменными: |
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|
980 <example> |
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|
981 scgi_store /data/www$original_uri; |
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|
982 </example> |
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|
983 </para> |
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|
984 |
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|
985 <para> |
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|
986 Время изменения файлов выставляется согласно полученному полю |
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|
987 <header>Last-Modified</header> в заголовке ответа. |
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988 Ответ сначала записывается во временный файл, а потом этот файл |
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|
989 переименовывается. |
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|
990 Начиная с версии 0.8.9, временный файл и постоянное место хранения ответа |
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|
991 могут располагаться на разных файловых системах. |
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|
992 Однако нужно учитывать, |
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|
993 что в этом случае вместо дешёвой операции переименовывания в пределах |
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994 одной файловой системы файл копируется с одной файловой системы на другую. |
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|
995 Поэтому лучше, если сохраняемые файлы будут находиться на той же файловой |
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|
996 системе, что и каталог с временными файлами, задаваемый директивой |
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|
997 <link id="scgi_temp_path"/> для данного location. |
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|
998 </para> |
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|
999 |
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|
1000 <para> |
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|
1001 Директиву можно использовать для создания локальных копий статических |
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|
1002 неизменяемых файлов, например, так: |
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|
1003 <example> |
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|
1004 location /images/ { |
1184
55857cbf562d
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1183
diff
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|
1005 root /data/www; |
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1183
diff
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|
1006 error_page 404 = /fetch$uri; |
1183
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|
1007 } |
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|
1008 |
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|
1009 location /fetch/ { |
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|
1010 internal; |
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|
1011 |
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|
1012 scgi_pass backend:9000; |
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|
1013 ... |
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|
1014 |
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|
1015 scgi_store on; |
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|
1016 scgi_store_access user:rw group:rw all:r; |
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|
1017 scgi_temp_path /data/temp; |
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|
1018 |
1184
55857cbf562d
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diff
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|
1019 alias /data/www/; |
1183
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|
1020 } |
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|
1021 </example> |
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|
1022 </para> |
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|
1023 |
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|
1024 </directive> |
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|
1025 |
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|
1026 |
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|
1027 <directive name="scgi_store_access"> |
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|
1028 <syntax><value>пользователи</value>:<value>права</value> ...</syntax> |
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1029 <default>user:rw</default> |
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|
1030 <context>http</context> |
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|
1031 <context>server</context> |
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|
1032 <context>location</context> |
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|
1033 |
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|
1034 <para> |
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1035 Задаёт права доступа для создаваемых файлов и каталогов, например, |
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|
1036 <example> |
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|
1037 scgi_store_access user:rw group:rw all:r; |
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|
1038 </example> |
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|
1039 </para> |
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|
1040 |
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|
1041 <para> |
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|
1042 Если заданы какие-либо права для <literal>group</literal> или |
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|
1043 <literal>all</literal>, то права для <literal>user</literal> |
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parents:
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|
1044 указывать необязательно: |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
1045 <example> |
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|
1046 scgi_store_access group:rw all:r; |
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|
1047 </example> |
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|
1048 </para> |
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|
1049 |
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|
1050 </directive> |
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|
1051 |
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|
1052 |
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|
1053 <directive name="scgi_temp_file_write_size"> |
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|
1054 <syntax><value>размер</value></syntax> |
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|
1055 <default>8k|16k</default> |
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|
1056 <context>http</context> |
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parents:
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|
1057 <context>server</context> |
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|
1058 <context>location</context> |
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|
1059 |
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|
1060 <para> |
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|
1061 Ограничивает <value>размер</value> данных, сбрасываемых во временный файл |
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|
1062 за один раз, при включённой буферизации ответов SCGI-сервера |
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|
1063 во временные файлы. |
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|
1064 По умолчанию <value>размер</value> ограничен двумя буферами, заданными |
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|
1065 директивами <link id="scgi_buffer_size"/> и <link id="scgi_buffers"/>. |
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|
1066 Максимальный размер временного файла задаётся директивой |
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|
1067 <link id="scgi_max_temp_file_size"/>. |
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|
1068 </para> |
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|
1069 |
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|
1070 </directive> |
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|
1071 |
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|
1072 |
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|
1073 <directive name="scgi_temp_path"> |
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|
1074 <syntax> |
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|
1075 <value>путь</value> |
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|
1076 [<value>уровень1</value> |
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|
1077 [<value>уровень2</value> |
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|
1078 [<value>уровень3</value>]]]</syntax> |
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|
1079 <default>scgi_temp</default> |
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|
1080 <context>http</context> |
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|
1081 <context>server</context> |
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|
1082 <context>location</context> |
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|
1083 |
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|
1084 <para> |
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changeset
|
1085 Задаёт имя каталога для хранения временных файлов с данными, |
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|
1086 полученными от SCGI-серверов. |
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|
1087 В каталоге может использоваться иерархия подкаталогов до трёх уровней. |
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1088 Например, при такой конфигурации |
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1089 <example> |
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1090 scgi_temp_path /spool/nginx/scgi_temp 1 2; |
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1091 </example> |
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1092 временный файл будет следующего вида: |
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1093 <example> |
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1094 /spool/nginx/scgi_temp/<emphasis>7</emphasis>/<emphasis>45</emphasis>/00000123<emphasis>457</emphasis> |
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1095 </example> |
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1096 </para> |
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1097 |
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1098 </directive> |
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1099 |
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1100 </section> |
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1101 |
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1102 </module> |