annotate xml/ru/docs/ngx_core_module.xml @ 589:764fbac1b8b4

Added document revision.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 17 Jul 2012 05:02:15 +0000
parents be54c443235a
children f71947553000
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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"
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12 lang="ru"
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13 rev="1">
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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 <note>
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50 Использование метода обработки соединений
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51 <link doc="events.xml" id="rtsig"/>
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52 требует обязательного включения <literal>accept_mutex</literal>.
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53 </note>
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54 </para>
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55
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56 </directive>
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57
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58
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59 <directive name="accept_mutex_delay">
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60 <syntax><value>время</value></syntax>
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61 <default>500ms</default>
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62 <context>events</context>
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63
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64 <para>
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65 При включённом <link id="accept_mutex"/> задаёт максимальное время,
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66 в течение которого рабочий процесс вновь попытается начать принимать
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67 новые соединения, если в настоящий момент этим уже занимается другой
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68 рабочий процесс.
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69 </para>
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70
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71 </directive>
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72
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73
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74 <directive name="daemon">
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75 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
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76 <default>on</default>
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77 <context>main</context>
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78
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79 <para>
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80 Определяет, будет ли nginx запускаться в режиме демона.
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81 Используется в основном для разработки.
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82 </para>
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83
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84 </directive>
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85
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86
516
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87 <directive name="debug_connection">
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88 <syntax>
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89 <value>адрес</value> |
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90 <value>CIDR</value> |
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91 <literal>unix:</literal></syntax>
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92 <default/>
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93 <context>events</context>
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94
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95 <para>
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96 Включает отладочный лог для отдельных клиентских соединений.
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97 Для остальных соединений используется уровень лога, заданный директивой
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98 <link id="error_log"/>.
523
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99 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1)
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100 адресом или сетью.
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101 Соединение может быть также задано при помощи имени хоста, в этом случае
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102 используется первый IPv4-адрес, соответствующий имени.
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103 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1)
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104 включается параметром “<literal>unix:</literal>”.
516
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105 <example>
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106 events {
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107 debug_connection 127.0.0.1;
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108 debug_connection localhost;
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109 debug_connection 192.0.2.0/24;
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110 debug_connection ::1;
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111 debug_connection 2001:0db8::/32;
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112 debug_connection unix:;
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113 ...
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114 }
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115 </example>
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116 <note>
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117 Для работы директивы необходимо сконфигурировать nginx с параметром
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118 <literal>--with-debug</literal>.
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119 </note>
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120 </para>
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121
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122 </directive>
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123
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124
574
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125 <directive name="debug_points">
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126 <syntax><literal>abort</literal> | <literal>stop</literal></syntax>
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127 <default/>
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128 <context>main</context>
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129
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130 <para>
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131 Эта директива используется для отладки.
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132 </para>
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133
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134 <para>
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135 В случае обнаружения внутренней ошибки, например, утечки сокетов в момент
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136 перезапуска рабочих процессов, включение <literal>debug_points</literal>
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137 приводит к созданию core-файла (<literal>abort</literal>)
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138 или остановке процесса (<literal>stop</literal>) с целью последующей
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139 диагностики с помощью системного отладчика.
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140 </para>
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141
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142 </directive>
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143
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144
255
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145 <directive name="error_log">
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146 <syntax>
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147 <value>файл</value> | <literal>stderr</literal>
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148 [<literal>debug</literal> |
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149 <literal>info</literal> |
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150 <literal>notice</literal> |
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151 <literal>warn</literal> |
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152 <literal>error</literal> |
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153 <literal>crit</literal> |
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154 <literal>alert</literal> |
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155 <literal>emerg</literal>]</syntax>
255
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156 <default>logs/error.log error</default>
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157 <context>main</context>
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158 <context>http</context>
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159 <context>server</context>
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160 <context>location</context>
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161
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162 <para>
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163 Конфигурирует запись в лог.
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164 </para>
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165
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166 <para>
271
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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 </para>
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173
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174 <para>
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175 Второй параметр определяет уровень лога.
255
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176 Уровни лога, указанные выше, перечислены в порядке возрастания их серьёзности.
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177 При установке определённого уровня в лог попадают все сообщения
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178 указанного и более серьёзных уровней.
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179 Например, при стандартном уровне <literal>error</literal> в лог попадают
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180 сообщения уровней <literal>error</literal>, <literal>crit</literal>,
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181 <literal>alert</literal> и <literal>emerg</literal>.
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182 Если этот параметр не задан, используется <literal>error</literal>.
255
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183 <note>
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184 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать
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185 nginx с <literal>--with-debug</literal>.
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186 </note>
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187 </para>
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188
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189 </directive>
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190
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191
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192 <directive name="env">
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193 <syntax><value>переменная</value>[=<value>значение</value>]</syntax>
102
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194 <default>TZ</default>
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195 <context>main</context>
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196
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197 <para>
255
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198 Позволяет ограничить набор переменных окружения, поменять им значения
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199 или же создать новые переменные окружения для следующих случаев:
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200 <list type="bullet">
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201
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202 <listitem>
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203 наследование переменных во время
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204 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>;
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205 </listitem>
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206
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207 <listitem>
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208 использование переменных модулем
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209 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>;
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210 </listitem>
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211
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212 <listitem>
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213 использование переменных рабочими процессами.
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214 Однако нужно иметь в виду, что управление поведением системных библиотек
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215 подобным образом возможно не всегда, поскольку зачастую библиотеки используют
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216 переменные только во время инициализации, то есть ещё до того, как их
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217 можно задать с помощью данной директивы.
255
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218 Исключением из этого является вышеописанное
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219 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>.
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220 </listitem>
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221
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222 </list>
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223 </para>
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224
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225 <para>
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226 Если переменная TZ не описана явно, то она всегда наследуется
255
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227 и всегда доступна модулю
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228 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>.
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229 </para>
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230
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231 <para>
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232 Пример использования:
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233 <example>
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234 env MALLOC_OPTIONS;
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235 env PERL5LIB=/data/site/modules;
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236 env OPENSSL_ALLOW_PROXY_CERTS=1;
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237 </example>
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238 </para>
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239
444
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240 <para>
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241 <note>
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242 Переменная окружения NGINX используется для внутренних целей nginx
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243 и не должна устанавливаться непосредственно самим пользователем.
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244 </note>
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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
556
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250 <directive name="events">
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251 <syntax block="yes"/>
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252 <default/>
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253 <context>main</context>
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254
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255 <para>
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256 Предоставляет контекст конфигурационного файла, в котором указываются
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257 директивы, влияющие на обработку соединений.
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258 </para>
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259
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260 </directive>
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261
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262
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263 <directive name="include">
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264 <syntax><value>файл</value> | <value>маска</value></syntax>
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265 <default/>
104
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266 <context/>
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267
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268 <para>
271
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269 Включает в конфигурацию другой <value>файл</value> или файлы,
255
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270 подходящие под заданную маску.
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271 Включаемые файлы должны содержать синтаксически верные директивы и блоки.
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272 </para>
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273
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274 <para>
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275 Пример использования:
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276 <example>
255
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277 include mime.types;
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278 include vhosts/*.conf;
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279 </example>
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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
571
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285 <directive name="lock_file">
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286 <syntax><value>файл</value></syntax>
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287 <default>logs/nginx.lock</default>
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288 <context>main</context>
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289
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290 <para>
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291 Для реализации <link id="accept_mutex"/> и сериализации доступа к
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292 разделяемой памяти nginx использует механизм блокировок.
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293 На большинстве систем блокировки реализованы с помощью атомарных
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294 операций, и эта директива игнорируется.
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295 Для остальных систем применяется механизм файлов блокировок.
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296 Эта директива задаёт префикс имён файлов блокировок.
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297 </para>
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298
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299 </directive>
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300
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301
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302 <directive name="master_process">
271
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303 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
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304 <default>on</default>
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305 <context>main</context>
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306
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307 <para>
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308 Определяет, будут ли запускаться рабочие процессы.
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309 Эта директива предназначена для разработчиков nginx.
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310 </para>
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311
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312 </directive>
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313
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314
571
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315 <directive name="multi_accept">
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316 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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317 <default>off</default>
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318 <context>events</context>
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319
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320 <para>
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321 Если <literal>multi_accept</literal> выключен, рабочий процесс
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322 за один раз будет принимать только одно новое соединение.
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323 В противном случае рабочий процесс
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324 за один раз будет принимать сразу все новые соединения.
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325 <note>
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326 Директива игнорируется в случае использования метода обработки соединений
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327 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает
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328 число новых соединений, ожидающих приёма.
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329 </note>
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330 <note>
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331 Использование метода обработки соединений
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332 <link doc="events.xml" id="rtsig"/>
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333 автоматически включает <literal>multi_accept</literal>.
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334 </note>
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335 </para>
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336
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337 </directive>
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338
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339
289
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340 <directive name="pcre_jit">
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341 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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342 <default>off</default>
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343 <context>main</context>
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344 <appeared-in>1.1.12</appeared-in>
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345
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346 <para>
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347 Разрешает или запрещает использование JIT-компиляции (PCRE JIT)
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diff changeset
348 для регулярных выражений, известных на момент парсинга конфигурации.
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349 </para>
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350
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351 <para>
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352 Использование PCRE JIT способно существенно ускорить обработку
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353 регулярных выражений.
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354 <note>
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355 Для работы JIT необходима библиотека PCRE версии 8.20 или выше,
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diff changeset
356 собранная с параметром конфигурации <literal>--enable-jit</literal>.
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357 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>),
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diff changeset
358 для включения поддержки JIT необходимо использовать параметр
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diff changeset
359 конфигурации <literal>--with-pcre-jit</literal>.
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360 </note>
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361 </para>
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362
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diff changeset
363 </directive>
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364
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diff changeset
365
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366 <directive name="pid">
271
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367 <syntax><value>файл</value></syntax>
102
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368 <default>nginx.pid</default>
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369 <context>main</context>
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370
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371 <para>
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372 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса.
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373 </para>
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374
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375 </directive>
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376
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377
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378 <directive name="ssl_engine">
271
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379 <syntax><value>устройство</value></syntax>
99
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380 <default/>
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381 <context>main</context>
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382
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383 <para>
255
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384 Задаёт название аппаратного SSL-акселератора.
76
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385 </para>
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386
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387 </directive>
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388
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389
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390 <directive name="timer_resolution">
271
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391 <syntax><value>интервал</value></syntax>
99
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392 <default/>
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393 <context>main</context>
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394
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395 <para>
255
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396 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт
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397 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>.
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398 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой
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diff changeset
399 операции получения событий из ядра.
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400 C уменьшенным разрешением <c-func>gettimeofday</c-func> вызывается только
271
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401 один раз за указанный <value>интервал</value>.
76
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402 </para>
4a4caa566120 Russian documentation import.
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parents:
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403
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
404 <para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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405 Пример использования:
4a4caa566120 Russian documentation import.
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406 <example>
255
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407 timer_resolution 100ms;
76
4a4caa566120 Russian documentation import.
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408 </example>
4a4caa566120 Russian documentation import.
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parents:
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409 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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410
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
411 <para>
4a4caa566120 Russian documentation import.
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parents:
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412 Внутренняя реализация интервала зависит от используемого метода:
4a4caa566120 Russian documentation import.
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parents:
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413 <list type="bullet">
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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414
4a4caa566120 Russian documentation import.
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415 <listitem>
271
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416 фильтр <c-def>EVFILT_TIMER</c-def> при использовании <literal>kqueue</literal>;
76
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417 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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418
4a4caa566120 Russian documentation import.
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419 <listitem>
271
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420 <c-func>timer_create</c-func> при использовании <literal>eventport</literal>;
76
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421 </listitem>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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422
4a4caa566120 Russian documentation import.
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423 <listitem>
255
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424 и <c-func>setitimer</c-func> во всех остальных случаях.
76
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425 </listitem>
4a4caa566120 Russian documentation import.
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parents:
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426
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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427 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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428 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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429
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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430 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
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diff changeset
431
4a4caa566120 Russian documentation import.
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parents:
diff changeset
432
556
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
433 <directive name="use">
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
434 <syntax><value>метод</value></syntax>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
435 <default/>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
436 <context>events</context>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
437
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
438 <para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
439 Задаёт <value>метод</value>, используемый для
345012910707 Documented the "events" and "use" directives.
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parents: 554
diff changeset
440 <link doc="events.xml">обработки соединений</link>.
345012910707 Documented the "events" and "use" directives.
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parents: 554
diff changeset
441 Обычно нет необходимости задавать его явно, поскольку по умолчанию
345012910707 Documented the "events" and "use" directives.
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parents: 554
diff changeset
442 nginx сам выбирает наиболее эффективный метод.
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
443 </para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
444
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
445 </directive>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
446
345012910707 Documented the "events" and "use" directives.
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parents: 554
diff changeset
447
255
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448 <directive name="user">
271
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449 <syntax><value>пользователь</value> [<value>группа</value>]</syntax>
255
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450 <default>nobody nobody</default>
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451 <context>main</context>
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452
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453 <para>
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454 Задаёт пользователя и группу, с правами которого будут работать
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455 рабочие процессы.
271
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456 Если <value>группа</value> не задана, то используется группа, имя
255
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457 которой совпадает с именем пользователя.
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458 </para>
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459
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460 </directive>
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461
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462
545
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
463 <directive name="worker_connections">
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
464 <syntax><value>число</value></syntax>
e97b46d1842d Documented the "worker_connections" directive.
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465 <default>512</default>
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
466 <context>events</context>
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
467
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
468 <para>
e97b46d1842d Documented the "worker_connections" directive.
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469 Задаёт максимальное число соединений, которое одновременно
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
470 может открыть рабочий процесс.
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diff changeset
471 </para>
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
472
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
473 <para>
e97b46d1842d Documented the "worker_connections" directive.
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474 Следует иметь в виду, что в это число входят все соединения
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
475 (в том числе, например, соединения с проксируемыми серверами),
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
476 а не только соединения с клиентами.
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
477 Стоит также учитывать, что фактическое число одновременных
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
478 соединений не может превышать действующего ограничения на
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
479 максимальное число открытых файлов,
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
480 см. <link id="worker_rlimit_nofile"/>.
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
481 </para>
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
482
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
483 </directive>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
484
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
485
469
8275e169f77b Documented the "worker_cpu_affinity" directive.
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diff changeset
486 <directive name="worker_cpu_affinity">
8275e169f77b Documented the "worker_cpu_affinity" directive.
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diff changeset
487 <syntax><value>маска_CPU</value> ...</syntax>
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
488 <default/>
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
489 <context>main</context>
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
490
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
491 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
492 Привязывает рабочие процессы к группам процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
493 Каждая группа процессоров задаётся битовой маской
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
494 разрешённых к использованию процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
495 Для каждого рабочего процесса должна быть задана отдельная группа.
8275e169f77b Documented the "worker_cpu_affinity" directive.
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diff changeset
496 По умолчанию рабочие процессы не привязаны к конкретным процессорам.
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parents: 455
diff changeset
497 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
498
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
499 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
500 Например,
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
501 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
502 worker_processes 4;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
503 worker_cpu_affinity 0001 0010 0100 1000;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
504 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
505 привязывает каждый рабочий процесс к отдельному процессору, тогда как
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
506 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
507 worker_processes 2;
8275e169f77b Documented the "worker_cpu_affinity" directive.
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parents: 455
diff changeset
508 worker_cpu_affinity 0101 1010;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
509 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
510 привязывает первый рабочий процесс к CPU0/CPU2,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
511 а второй — к CPU1/CPU3.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
512 Второй пример пригоден для hyper-threading.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
513 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
514
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
515 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
516 <note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
517 Директива доступна только на FreeBSD и Linux.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
518 </note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
519 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
520
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
521 </directive>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
522
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
523
255
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diff changeset
524 <directive name="worker_priority">
271
4c6d2c614d2c Cleaned up XML tag mess:
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diff changeset
525 <syntax><value>число</value></syntax>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
526 <default>0</default>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
527 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
528
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
529 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
530 Задаёт приоритет планирования рабочих процессов подобно тому,
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
531 как это делается командой <command>nice</command>: отрицательное
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
532 <value>число</value>
255
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Ruslan Ermilov <ru@nginx.com>
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diff changeset
533 означает более высокий приоритет.
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
534 Диапазон возможных значений, как правило, варьируется от -20 до 20.
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
535 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
536
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diff changeset
537 <para>
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diff changeset
538 Пример использования:
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539 <example>
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540 worker_priority -10;
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541 </example>
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542 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
543
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
544 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
545
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
546
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
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547 <directive name="worker_processes">
271
4c6d2c614d2c Cleaned up XML tag mess:
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548 <syntax><value>число</value></syntax>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
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549 <default>1</default>
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diff changeset
550 <context>main</context>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
551
e2718c7f9040 Sync ngx_core_module documentation with English version.
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552 <para>
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553 Задаёт число рабочих процессов.
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554 </para>
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diff changeset
555
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
556 <para>
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557 Оптимальное значение зависит от множества факторов, включая
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
558 (но не ограничиваясь ими) число процессорных ядер, число
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diff changeset
559 жёстких дисков с данными и картину нагрузок.
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560 Если затрудняетесь в выборе правильного значения, можно начать
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561 с установки его равным числу процессорных ядер.
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562 </para>
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563
e2718c7f9040 Sync ngx_core_module documentation with English version.
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564 </directive>
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diff changeset
565
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diff changeset
566
76
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567 <directive name="worker_rlimit_core">
271
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568 <syntax><value>размер</value></syntax>
99
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569 <default/>
76
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570 <context>main</context>
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571
4a4caa566120 Russian documentation import.
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572 <para>
255
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573 Изменяет ограничение на наибольший размер core-файла
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574 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов.
76
4a4caa566120 Russian documentation import.
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575 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
576 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
577
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
578 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
579
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
580
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
581 <directive name="worker_rlimit_nofile">
271
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diff changeset
582 <syntax><value>число</value></syntax>
99
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diff changeset
583 <default/>
76
4a4caa566120 Russian documentation import.
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584 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
585
4a4caa566120 Russian documentation import.
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parents:
diff changeset
586 <para>
255
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587 Изменяет ограничение на максимальное число открытых файлов
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diff changeset
588 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов.
76
4a4caa566120 Russian documentation import.
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diff changeset
589 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
590 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
591
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
592 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
593
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
594
554
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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parents: 545
diff changeset
595 <directive name="worker_rlimit_sigpending">
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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diff changeset
596 <syntax><value>число</value></syntax>
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diff changeset
597 <default/>
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diff changeset
598 <context>main</context>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
599
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
600 <para>
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parents: 545
diff changeset
601 На системах с поддержкой метода обработки соединений
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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parents: 545
diff changeset
602 <link doc="events.xml" id="rtsig"/>,
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
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parents: 545
diff changeset
603 изменяет ограничение на размер очереди сигналов
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
604 (<c-def>RLIMIT_SIGPENDING</c-def>) для рабочих процессов.
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
605 Используется для увеличения ограничения без перезапуска основного процесса.
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
606 </para>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
607
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
608 </directive>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
609
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
610
76
4a4caa566120 Russian documentation import.
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parents:
diff changeset
611 <directive name="working_directory">
271
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diff changeset
612 <syntax><value>каталог</value></syntax>
99
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diff changeset
613 <default/>
76
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diff changeset
614 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
615
4a4caa566120 Russian documentation import.
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parents:
diff changeset
616 <para>
255
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diff changeset
617 Задаёт каталог, который будет текущим для рабочего процесса.
76
4a4caa566120 Russian documentation import.
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parents:
diff changeset
618 Основное применение — запись core-файла, в этом случае рабочий
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
619 процесс должен иметь права на запись в этот каталог.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
620 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
621
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
622 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
623
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
624 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
625
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
626 </module>