Mercurial > hg > nginx-site
annotate xml/ru/docs/ngx_core_module.xml @ 1577:37be36b01d28
Added the "Known issues" section to the ngx_http_v2 module.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Mon, 28 Sep 2015 23:04:43 +0300 |
parents | d1e1a8d34bce |
children | c0d1026e7e7b |
rev | line source |
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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="Основная функциональность" |
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11 link="/ru/docs/ngx_core_module.html" |
589 | 12 lang="ru" |
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13 rev="15"> |
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14 |
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15 <section id="example" name="Пример конфигурации"> |
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16 |
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17 <para> |
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18 <example> |
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19 user www www; |
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20 worker_processes 2; |
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21 |
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22 error_log /var/log/nginx-error.log info; |
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23 |
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24 events { |
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25 use kqueue; |
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26 worker_connections 2048; |
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27 } |
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28 |
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29 ... |
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30 </example> |
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31 </para> |
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32 |
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33 </section> |
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34 |
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35 |
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36 <section id="directives" name="Директивы"> |
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37 |
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38 <directive name="accept_mutex"> |
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39 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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40 <default>on</default> |
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41 <context>events</context> |
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42 |
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43 <para> |
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44 Если <literal>accept_mutex</literal> включён, |
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45 рабочие процессы будут принимать новые соединения по очереди. |
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46 В противном случае о новых соединениях будет сообщаться сразу всем рабочим |
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47 процессам, и при низкой интенсивности поступления новых соединений |
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48 часть рабочих процессов может работать вхолостую. |
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49 </para> |
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50 |
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51 </directive> |
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52 |
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53 |
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54 <directive name="accept_mutex_delay"> |
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55 <syntax><value>время</value></syntax> |
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56 <default>500ms</default> |
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57 <context>events</context> |
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58 |
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59 <para> |
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60 При включённом <link id="accept_mutex"/> задаёт максимальное время, |
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61 в течение которого рабочий процесс вновь попытается начать принимать |
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62 новые соединения, если в настоящий момент новые соединения принимает |
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63 другой рабочий процесс. |
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64 </para> |
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65 |
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66 </directive> |
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67 |
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68 |
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69 <directive name="daemon"> |
271 | 70 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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71 <default>on</default> |
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72 <context>main</context> |
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73 |
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74 <para> |
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75 Определяет, будет ли nginx запускаться в режиме демона. |
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76 Используется в основном для разработки. |
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77 </para> |
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78 |
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79 </directive> |
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80 |
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81 |
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82 <directive name="debug_connection"> |
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83 <syntax> |
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84 <value>адрес</value> | |
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85 <value>CIDR</value> | |
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86 <literal>unix:</literal></syntax> |
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87 <default/> |
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88 <context>events</context> |
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89 |
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90 <para> |
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91 Включает отладочный лог для отдельных клиентских соединений. |
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92 Для остальных соединений используется уровень лога, заданный директивой |
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93 <link id="error_log"/>. |
523 | 94 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1) |
95 адресом или сетью. | |
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96 Соединение может быть также задано при помощи имени хоста. |
523 | 97 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1) |
98 включается параметром “<literal>unix:</literal>”. | |
516
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99 <example> |
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100 events { |
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101 debug_connection 127.0.0.1; |
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102 debug_connection localhost; |
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103 debug_connection 192.0.2.0/24; |
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104 debug_connection ::1; |
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105 debug_connection 2001:0db8::/32; |
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106 debug_connection unix:; |
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107 ... |
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108 } |
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109 </example> |
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110 <note> |
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111 Для работы директивы необходимо сконфигурировать nginx с параметром |
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112 <literal>--with-debug</literal>, |
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113 см. “<link doc="debugging_log.xml"/>”. |
516
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114 </note> |
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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 |
574 | 120 <directive name="debug_points"> |
121 <syntax><literal>abort</literal> | <literal>stop</literal></syntax> | |
122 <default/> | |
123 <context>main</context> | |
124 | |
125 <para> | |
126 Эта директива используется для отладки. | |
127 </para> | |
128 | |
129 <para> | |
130 В случае обнаружения внутренней ошибки, например, утечки сокетов в момент | |
131 перезапуска рабочих процессов, включение <literal>debug_points</literal> | |
132 приводит к созданию core-файла (<literal>abort</literal>) | |
133 или остановке процесса (<literal>stop</literal>) с целью последующей | |
134 диагностики с помощью системного отладчика. | |
135 </para> | |
136 | |
137 </directive> | |
138 | |
139 | |
255
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140 <directive name="error_log"> |
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141 <syntax> |
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142 <value>файл</value> | <literal>stderr</literal> | |
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143 <literal>syslog:</literal><literal>server</literal>=<value>адрес</value>[,<value>параметр</value>=<value>значение</value>] | |
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144 <literal>memory:</literal><value>размер</value> |
271 | 145 [<literal>debug</literal> | |
146 <literal>info</literal> | | |
147 <literal>notice</literal> | | |
148 <literal>warn</literal> | | |
149 <literal>error</literal> | | |
150 <literal>crit</literal> | | |
151 <literal>alert</literal> | | |
152 <literal>emerg</literal>]</syntax> | |
255
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153 <default>logs/error.log error</default> |
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154 <context>main</context> |
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155 <context>http</context> |
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156 <context>mail</context> |
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157 <context>stream</context> |
255
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158 <context>server</context> |
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159 <context>location</context> |
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160 |
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161 <para> |
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162 Конфигурирует запись в лог. |
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163 На одном уровне может использоваться несколько логов (1.5.2). |
255
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164 </para> |
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165 |
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166 <para> |
271 | 167 Первый параметр задаёт файл, который будет хранить лог. |
255
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168 <!-- |
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169 Если имя файла не абсолютное, к нему добавляется в начало путь префикса. |
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170 --> |
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171 Специальное значение <literal>stderr</literal> выбирает стандартный файл ошибок. |
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172 Запись в <link doc="syslog.xml">syslog</link> настраивается указанием префикса |
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173 “<literal>syslog:</literal>”. |
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174 Запись в |
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175 <link doc="debugging_log.xml" id="memory">кольцевой буфер в памяти</link> |
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176 настраивается указанием префикса “<literal>memory:</literal>” и |
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177 <value>размера</value> буфера и как правило используется для отладки (1.7.11). |
255
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178 </para> |
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179 |
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180 <para> |
271 | 181 Второй параметр определяет уровень лога. |
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182 Уровни лога, указанные выше, перечислены в порядке возрастания важности. |
255
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183 При установке определённого уровня в лог попадают все сообщения |
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184 указанного уровня и уровней большей важности. |
271 | 185 Например, при стандартном уровне <literal>error</literal> в лог попадают |
186 сообщения уровней <literal>error</literal>, <literal>crit</literal>, | |
187 <literal>alert</literal> и <literal>emerg</literal>. | |
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188 Если этот параметр не задан, используется <literal>error</literal>. |
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189 <note> |
271 | 190 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать |
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191 nginx с <literal>--with-debug</literal>, |
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192 см. “<link doc="debugging_log.xml"/>”. |
255
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193 </note> |
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194 |
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195 <note> |
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196 Директива может быть указана на |
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197 уровне <literal>stream</literal> |
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198 начиная с версии 1.7.11. |
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199 </note> |
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200 |
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201 <note> |
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202 Директива может быть указана на |
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203 уровне <literal>mail</literal> |
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204 начиная с версии 1.9.0. |
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205 </note> |
255
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206 </para> |
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207 |
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208 </directive> |
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209 |
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210 |
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211 <directive name="env"> |
271 | 212 <syntax><value>переменная</value>[=<value>значение</value>]</syntax> |
102
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213 <default>TZ</default> |
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214 <context>main</context> |
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215 |
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216 <para> |
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217 По умолчанию nginx удаляет все переменные окружения, унаследованные |
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218 от своего родительского процесса, кроме переменной TZ. |
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219 Эта директива позволяет сохранить часть унаследованных переменных, |
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220 поменять им значения или же создать новые переменные окружения. |
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221 Эти переменные затем: |
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222 <list type="bullet"> |
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223 |
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224 <listitem> |
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225 наследуются во время |
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226 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>; |
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227 </listitem> |
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228 |
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229 <listitem> |
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230 используются модулем |
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231 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>; |
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232 </listitem> |
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233 |
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234 <listitem> |
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235 используются рабочими процессами. |
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236 Следует иметь в виду, что управление поведением системных библиотек |
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237 подобным образом возможно не всегда, поскольку зачастую библиотеки используют |
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238 переменные только во время инициализации, то есть ещё до того, как их |
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239 можно задать с помощью данной директивы. |
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240 Исключением из этого является упомянутое выше |
255
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241 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>. |
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242 </listitem> |
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243 |
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244 </list> |
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245 </para> |
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246 |
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247 <para> |
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248 Если переменная TZ не описана явно, то она всегда наследуется |
255
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249 и всегда доступна модулю |
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250 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>. |
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251 </para> |
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252 |
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253 <para> |
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254 Пример использования: |
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255 <example> |
255
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256 env MALLOC_OPTIONS; |
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257 env PERL5LIB=/data/site/modules; |
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258 env OPENSSL_ALLOW_PROXY_CERTS=1; |
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259 </example> |
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260 </para> |
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261 |
444
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262 <para> |
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263 <note> |
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264 Переменная окружения NGINX используется для внутренних целей nginx |
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265 и не должна устанавливаться непосредственно самим пользователем. |
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266 </note> |
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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="events"> |
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273 <syntax block="yes"/> |
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274 <default/> |
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275 <context>main</context> |
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276 |
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277 <para> |
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278 Предоставляет контекст конфигурационного файла, в котором указываются |
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279 директивы, влияющие на обработку соединений. |
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280 </para> |
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281 |
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282 </directive> |
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283 |
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284 |
76
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285 <directive name="include"> |
271 | 286 <syntax><value>файл</value> | <value>маска</value></syntax> |
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287 <default/> |
104
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288 <context/> |
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289 |
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290 <para> |
271 | 291 Включает в конфигурацию другой <value>файл</value> или файлы, |
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292 подходящие под заданную маску. |
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293 Включаемые файлы должны содержать синтаксически верные директивы и блоки. |
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294 </para> |
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295 |
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296 <para> |
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297 Пример использования: |
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298 <example> |
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299 include mime.types; |
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300 include vhosts/*.conf; |
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301 </example> |
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302 </para> |
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303 |
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304 </directive> |
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305 |
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306 |
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307 <directive name="lock_file"> |
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308 <syntax><value>файл</value></syntax> |
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309 <default>logs/nginx.lock</default> |
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310 <context>main</context> |
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311 |
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312 <para> |
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313 Для реализации <link id="accept_mutex"/> и сериализации доступа к |
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314 разделяемой памяти nginx использует механизм блокировок. |
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315 На большинстве систем блокировки реализованы с помощью атомарных |
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316 операций, и эта директива игнорируется. |
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317 Для остальных систем применяется механизм файлов блокировок. |
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318 Эта директива задаёт префикс имён файлов блокировок. |
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319 </para> |
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320 |
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321 </directive> |
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322 |
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323 |
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324 <directive name="master_process"> |
271 | 325 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
102
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326 <default>on</default> |
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327 <context>main</context> |
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328 |
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329 <para> |
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330 Определяет, будут ли запускаться рабочие процессы. |
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331 Эта директива предназначена для разработчиков nginx. |
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332 </para> |
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333 |
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334 </directive> |
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335 |
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336 |
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337 <directive name="multi_accept"> |
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338 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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339 <default>off</default> |
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340 <context>events</context> |
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341 |
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342 <para> |
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343 Если <literal>multi_accept</literal> выключен, рабочий процесс |
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344 за один раз будет принимать только одно новое соединение. |
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345 В противном случае рабочий процесс |
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346 за один раз будет принимать сразу все новые соединения. |
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347 <note> |
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348 Директива игнорируется в случае использования метода обработки соединений |
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349 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает |
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350 число новых соединений, ожидающих приёма. |
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351 </note> |
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352 </para> |
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353 |
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354 </directive> |
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355 |
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356 |
289
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357 <directive name="pcre_jit"> |
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358 <syntax><literal>on</literal> | <literal>off</literal></syntax> |
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359 <default>off</default> |
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360 <context>main</context> |
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361 <appeared-in>1.1.12</appeared-in> |
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362 |
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363 <para> |
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364 Разрешает или запрещает использование JIT-компиляции (PCRE JIT) |
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365 для регулярных выражений, известных на момент парсинга конфигурации. |
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366 </para> |
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367 |
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368 <para> |
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369 Использование PCRE JIT способно существенно ускорить обработку |
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370 регулярных выражений. |
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371 <note> |
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372 Для работы JIT необходима библиотека PCRE версии 8.20 или выше, |
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373 собранная с параметром конфигурации <literal>--enable-jit</literal>. |
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374 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>), |
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375 для включения поддержки JIT необходимо использовать параметр |
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376 конфигурации <literal>--with-pcre-jit</literal>. |
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377 </note> |
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378 </para> |
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379 |
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380 </directive> |
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381 |
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382 |
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383 <directive name="pid"> |
271 | 384 <syntax><value>файл</value></syntax> |
102
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385 <default>nginx.pid</default> |
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386 <context>main</context> |
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387 |
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388 <para> |
271 | 389 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса. |
76
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390 </para> |
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391 |
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392 </directive> |
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393 |
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394 |
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395 <directive name="ssl_engine"> |
271 | 396 <syntax><value>устройство</value></syntax> |
99
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397 <default/> |
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398 <context>main</context> |
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399 |
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400 <para> |
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401 Задаёт название аппаратного SSL-акселератора. |
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402 </para> |
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403 |
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404 </directive> |
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405 |
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406 |
1436 | 407 <directive name="thread_pool"> |
408 <syntax> | |
409 <value>имя</value> | |
410 <literal>threads</literal>=<value>число</value> | |
411 [<literal>max_queue</literal>=<value>число</value>]</syntax> | |
412 <default>default threads=32 max_queue=65536</default> | |
413 <context>main</context> | |
414 <appeared-in>1.7.11</appeared-in> | |
415 | |
416 <para> | |
417 Задаёт именованные пулы потоков, | |
418 используемые для многопоточной обработки операций чтения и отправки файлов | |
419 <link doc="http/ngx_http_core_module.xml" id="aio">без блокирования</link> | |
420 рабочего процесса. | |
421 </para> | |
422 | |
423 <para> | |
424 Параметр <literal>threads</literal> | |
425 задаёт число потоков в пуле. | |
426 </para> | |
427 | |
428 <para> | |
429 Если все потоки из пула заняты выполнением заданий, | |
430 новое задание будет ожидать своего выполнения в очереди. | |
431 Параметр <literal>max_queue</literal> ограничивает число заданий, | |
432 ожидающих своего выполнения в очереди. | |
433 По умолчанию в очереди может находиться до 65536 заданий. | |
434 При переполнении очереди задание завершается с ошибкой. | |
435 </para> | |
436 | |
437 </directive> | |
438 | |
439 | |
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440 <directive name="timer_resolution"> |
271 | 441 <syntax><value>интервал</value></syntax> |
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442 <default/> |
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443 <context>main</context> |
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444 |
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445 <para> |
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446 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт |
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447 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>. |
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448 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой |
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449 операции получения событий из ядра. |
957
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450 При уменьшении разрешения <c-func>gettimeofday</c-func> вызывается только |
271 | 451 один раз за указанный <value>интервал</value>. |
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452 </para> |
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453 |
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454 <para> |
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455 Пример использования: |
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456 <example> |
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457 timer_resolution 100ms; |
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458 </example> |
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459 </para> |
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460 |
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461 <para> |
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462 Внутренняя реализация интервала зависит от используемого метода: |
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463 <list type="bullet"> |
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464 |
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465 <listitem> |
271 | 466 фильтр <c-def>EVFILT_TIMER</c-def> при использовании <literal>kqueue</literal>; |
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467 </listitem> |
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468 |
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469 <listitem> |
271 | 470 <c-func>timer_create</c-func> при использовании <literal>eventport</literal>; |
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471 </listitem> |
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472 |
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473 <listitem> |
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474 и <c-func>setitimer</c-func> во всех остальных случаях. |
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475 </listitem> |
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476 |
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477 </list> |
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478 </para> |
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479 |
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480 </directive> |
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481 |
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482 |
556
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Documented the "events" and "use" directives.
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483 <directive name="use"> |
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484 <syntax><value>метод</value></syntax> |
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485 <default/> |
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486 <context>events</context> |
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487 |
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488 <para> |
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489 Задаёт <value>метод</value>, используемый для |
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490 <link doc="events.xml">обработки соединений</link>. |
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491 Обычно нет необходимости задавать его явно, поскольку по умолчанию |
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492 nginx сам выбирает наиболее эффективный метод. |
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493 </para> |
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494 |
345012910707
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495 </directive> |
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496 |
345012910707
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497 |
255
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498 <directive name="user"> |
271 | 499 <syntax><value>пользователь</value> [<value>группа</value>]</syntax> |
255
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500 <default>nobody nobody</default> |
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501 <context>main</context> |
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502 |
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503 <para> |
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504 Задаёт пользователя и группу, с правами которого будут работать |
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505 рабочие процессы. |
271 | 506 Если <value>группа</value> не задана, то используется группа, имя |
255
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507 которой совпадает с именем пользователя. |
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508 </para> |
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509 |
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510 </directive> |
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511 |
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512 |
749
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513 <directive name="worker_aio_requests"> |
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514 <syntax><value>число</value></syntax> |
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515 <default>32</default> |
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516 <context>events</context> |
750
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517 <appeared-in>1.1.4</appeared-in> |
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518 <appeared-in>1.0.7</appeared-in> |
749
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519 |
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520 <para> |
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521 При использовании <link doc="http/ngx_http_core_module.xml" id="aio"/> |
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522 совместно с методом обработки соединений |
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523 <link doc="../docs/events.xml" id="epoll"/>, |
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524 задаёт максимальное <value>число</value> ожидающих обработки операций |
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525 асинхронного ввода-вывода для одного рабочего процесса. |
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526 </para> |
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527 |
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528 </directive> |
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parents:
742
diff
changeset
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529 |
2abb92a19101
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parents:
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diff
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|
530 |
545
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531 <directive name="worker_connections"> |
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532 <syntax><value>число</value></syntax> |
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|
533 <default>512</default> |
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diff
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|
534 <context>events</context> |
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|
535 |
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|
536 <para> |
957
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|
537 Задаёт максимальное число соединений, которые одновременно |
545
e97b46d1842d
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538 может открыть рабочий процесс. |
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diff
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|
539 </para> |
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parents:
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diff
changeset
|
540 |
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diff
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|
541 <para> |
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diff
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|
542 Следует иметь в виду, что в это число входят все соединения |
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|
543 (в том числе, например, соединения с проксируемыми серверами), |
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diff
changeset
|
544 а не только соединения с клиентами. |
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parents:
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diff
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545 Стоит также учитывать, что фактическое число одновременных |
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diff
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|
546 соединений не может превышать действующего ограничения на |
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parents:
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diff
changeset
|
547 максимальное число открытых файлов, |
659
77a3314c74a7
Avoid the uses of second person.
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|
548 которое можно изменить с помощью <link id="worker_rlimit_nofile"/>. |
545
e97b46d1842d
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parents:
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diff
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|
549 </para> |
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parents:
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diff
changeset
|
550 |
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diff
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|
551 </directive> |
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diff
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|
552 |
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parents:
523
diff
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|
553 |
469
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parents:
455
diff
changeset
|
554 <directive name="worker_cpu_affinity"> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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diff
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|
555 <syntax><value>маска_CPU</value> ...</syntax> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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diff
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|
556 <default/> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
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diff
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|
557 <context>main</context> |
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parents:
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diff
changeset
|
558 |
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diff
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559 <para> |
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parents:
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diff
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|
560 Привязывает рабочие процессы к группам процессоров. |
8275e169f77b
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diff
changeset
|
561 Каждая группа процессоров задаётся битовой маской |
8275e169f77b
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parents:
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diff
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562 разрешённых к использованию процессоров. |
8275e169f77b
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diff
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|
563 Для каждого рабочего процесса должна быть задана отдельная группа. |
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parents:
455
diff
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|
564 По умолчанию рабочие процессы не привязаны к конкретным процессорам. |
8275e169f77b
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parents:
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diff
changeset
|
565 </para> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
455
diff
changeset
|
566 |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
455
diff
changeset
|
567 <para> |
8275e169f77b
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parents:
455
diff
changeset
|
568 Например, |
8275e169f77b
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parents:
455
diff
changeset
|
569 <example> |
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Documented the "worker_cpu_affinity" directive.
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parents:
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diff
changeset
|
570 worker_processes 4; |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
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diff
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|
571 worker_cpu_affinity 0001 0010 0100 1000; |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
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diff
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|
572 </example> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
455
diff
changeset
|
573 привязывает каждый рабочий процесс к отдельному процессору, тогда как |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
574 <example> |
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Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
575 worker_processes 2; |
8275e169f77b
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|
576 worker_cpu_affinity 0101 1010; |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
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diff
changeset
|
577 </example> |
8275e169f77b
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parents:
455
diff
changeset
|
578 привязывает первый рабочий процесс к CPU0/CPU2, |
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Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
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|
579 а второй — к CPU1/CPU3. |
8275e169f77b
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parents:
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diff
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|
580 Второй пример пригоден для hyper-threading. |
8275e169f77b
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parents:
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diff
changeset
|
581 </para> |
8275e169f77b
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parents:
455
diff
changeset
|
582 |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
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parents:
455
diff
changeset
|
583 <para> |
8275e169f77b
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parents:
455
diff
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|
584 <note> |
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parents:
455
diff
changeset
|
585 Директива доступна только на FreeBSD и Linux. |
8275e169f77b
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Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
586 </note> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
587 </para> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
588 |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
589 </directive> |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
590 |
8275e169f77b
Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents:
455
diff
changeset
|
591 |
255
e2718c7f9040
Sync ngx_core_module documentation with English version.
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parents:
222
diff
changeset
|
592 <directive name="worker_priority"> |
271 | 593 <syntax><value>число</value></syntax> |
255
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594 <default>0</default> |
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|
595 <context>main</context> |
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diff
changeset
|
596 |
e2718c7f9040
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changeset
|
597 <para> |
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changeset
|
598 Задаёт приоритет планирования рабочих процессов подобно тому, |
e2718c7f9040
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parents:
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|
599 как это делается командой <command>nice</command>: отрицательное |
271 | 600 <value>число</value> |
255
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parents:
222
diff
changeset
|
601 означает более высокий приоритет. |
e2718c7f9040
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|
602 Диапазон возможных значений, как правило, варьируется от -20 до 20. |
e2718c7f9040
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parents:
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diff
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|
603 </para> |
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parents:
222
diff
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|
604 |
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Ruslan Ermilov <ru@nginx.com>
parents:
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diff
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|
605 <para> |
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|
606 Пример использования: |
e2718c7f9040
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|
607 <example> |
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|
608 worker_priority -10; |
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|
609 </example> |
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|
610 </para> |
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|
611 |
e2718c7f9040
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diff
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|
612 </directive> |
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diff
changeset
|
613 |
e2718c7f9040
Sync ngx_core_module documentation with English version.
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parents:
222
diff
changeset
|
614 |
e2718c7f9040
Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents:
222
diff
changeset
|
615 <directive name="worker_processes"> |
740
46d70031bea9
Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents:
659
diff
changeset
|
616 <syntax><value>число</value> | <literal>auto</literal></syntax> |
255
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Sync ngx_core_module documentation with English version.
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diff
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|
617 <default>1</default> |
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diff
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|
618 <context>main</context> |
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diff
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|
619 |
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|
620 <para> |
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621 Задаёт число рабочих процессов. |
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diff
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|
622 </para> |
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|
623 |
e2718c7f9040
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|
624 <para> |
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|
625 Оптимальное значение зависит от множества факторов, включая |
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626 (но не ограничиваясь ими) число процессорных ядер, число |
e2718c7f9040
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diff
changeset
|
627 жёстких дисков с данными и картину нагрузок. |
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diff
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|
628 Если затрудняетесь в выборе правильного значения, можно начать |
740
46d70031bea9
Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents:
659
diff
changeset
|
629 с установки его равным числу процессорных ядер |
46d70031bea9
Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents:
659
diff
changeset
|
630 (значение “<literal>auto</literal>” пытается определить его |
46d70031bea9
Documented the recently added "auto" parameter of the
Andrey Belov <defan@nginx.com>
parents:
659
diff
changeset
|
631 автоматически). |
742
3a2e35f4c279
Documented that "worker_processes auto" appeared in version 1.3.8.
Ruslan Ermilov <ru@nginx.com>
parents:
740
diff
changeset
|
632 <note> |
3a2e35f4c279
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Ruslan Ermilov <ru@nginx.com>
parents:
740
diff
changeset
|
633 Параметр <literal>auto</literal> поддерживается только начиная |
764
f8434fdd3cd9
The "auto" parameter of the ""worker_processes" directive
Ruslan Ermilov <ru@nginx.com>
parents:
750
diff
changeset
|
634 с версий 1.3.8 и 1.2.5. |
742
3a2e35f4c279
Documented that "worker_processes auto" appeared in version 1.3.8.
Ruslan Ermilov <ru@nginx.com>
parents:
740
diff
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|
635 </note> |
255
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636 </para> |
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637 |
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|
638 </directive> |
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|
639 |
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diff
changeset
|
640 |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
641 <directive name="worker_rlimit_core"> |
271 | 642 <syntax><value>размер</value></syntax> |
99
1d315ef37215
The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents:
79
diff
changeset
|
643 <default/> |
76
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
644 <context>main</context> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
645 |
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646 <para> |
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647 Изменяет ограничение на наибольший размер core-файла |
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648 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов. |
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649 Используется для увеличения ограничения без перезапуска основного процесса. |
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parents:
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650 </para> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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651 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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652 </directive> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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653 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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654 |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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655 <directive name="worker_rlimit_nofile"> |
271 | 656 <syntax><value>число</value></syntax> |
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657 <default/> |
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658 <context>main</context> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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659 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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660 <para> |
255
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661 Изменяет ограничение на максимальное число открытых файлов |
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662 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов. |
76
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parents:
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663 Используется для увеличения ограничения без перезапуска основного процесса. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
664 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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665 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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666 </directive> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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667 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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changeset
|
668 |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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669 <directive name="working_directory"> |
271 | 670 <syntax><value>каталог</value></syntax> |
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671 <default/> |
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672 <context>main</context> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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673 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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674 <para> |
255
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675 Задаёт каталог, который будет текущим для рабочего процесса. |
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676 Основное применение — запись core-файла, в этом случае рабочий |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
677 процесс должен иметь права на запись в этот каталог. |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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678 </para> |
4a4caa566120
Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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679 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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680 </directive> |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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|
681 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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682 </section> |
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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683 |
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Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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684 </module> |