annotate xml/ru/docs/ngx_core_module.xml @ 571:71d775bef043

Documented accept_mutex, accept_mutex_delay, multi_accept, and lock_file.
author Ruslan Ermilov <ru@nginx.com>
date Thu, 05 Jul 2012 13:13:45 +0000
parents 345012910707
children 5e9ff979eac8
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1 <?xml version="1.0"?>
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2
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3 <!DOCTYPE module SYSTEM "../../../dtd/module.dtd">
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4
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5 <module name="Основная функциональность"
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6 link="/ru/docs/ngx_core_module.html"
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7 lang="ru">
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8
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9 <section id="example" name="Пример конфигурации">
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10
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11 <para>
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12 <example>
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13 user www www;
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14 worker_processes 2;
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15
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16 error_log /var/log/nginx-error.log info;
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17
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18 events {
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19 use kqueue;
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20 worker_connections 2048;
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21 }
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22
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23 ...
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24 </example>
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25 </para>
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26
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27 </section>
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28
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29
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30 <section id="directives" name="Директивы">
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31
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32 <directive name="accept_mutex">
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33 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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34 <default>on</default>
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35 <context>events</context>
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36
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37 <para>
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38 Если <literal>accept_mutex</literal> включён,
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39 рабочие процессы будут принимать новые соединения по очереди.
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40 В противном случае о новых соединениях будет сообщаться сразу всем рабочим
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41 процессам, и при низкой интенсивности поступления новых соединений
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42 часть рабочих процессов может работать вхолостую.
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43 <note>
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44 Использование метода обработки соединений
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45 <link doc="events.xml" id="rtsig"/>
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46 требует обязательного включения <literal>accept_mutex</literal>.
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47 </note>
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48 </para>
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49
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50 </directive>
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51
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52
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53 <directive name="accept_mutex_delay">
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54 <syntax><value>время</value></syntax>
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55 <default>500ms</default>
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56 <context>events</context>
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57
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58 <para>
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59 При включённом <link id="accept_mutex"/> задаёт максимальное время,
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60 в течение которого рабочий процесс вновь попытается начать принимать
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61 новые соединения, если в настоящий момент этим уже занимается другой
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62 рабочий процесс.
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63 </para>
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64
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65 </directive>
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66
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67
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68 <directive name="daemon">
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69 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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70 <default>on</default>
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71 <context>main</context>
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72
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73 <para>
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74 Определяет, будет ли nginx запускаться в режиме демона.
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75 Используется в основном для разработки.
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76 </para>
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77
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78 </directive>
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79
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81 <directive name="debug_connection">
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82 <syntax>
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83 <value>адрес</value> |
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84 <value>CIDR</value> |
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85 <literal>unix:</literal></syntax>
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86 <default/>
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87 <context>events</context>
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88
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89 <para>
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90 Включает отладочный лог для отдельных клиентских соединений.
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91 Для остальных соединений используется уровень лога, заданный директивой
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92 <link id="error_log"/>.
523
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93 Отлаживаемые соединения задаются IPv4 или IPv6 (1.3.0, 1.2.1)
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94 адресом или сетью.
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95 Соединение может быть также задано при помощи имени хоста, в этом случае
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96 используется первый IPv4-адрес, соответствующий имени.
523
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97 Отладочный лог для соединений через UNIX-сокеты (1.3.0, 1.2.1)
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98 включается параметром “<literal>unix:</literal>”.
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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 </note>
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114 </para>
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115
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116 </directive>
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117
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118
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119 <directive name="error_log">
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120 <syntax>
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121 <value>файл</value> | <literal>stderr</literal>
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122 [<literal>debug</literal> |
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123 <literal>info</literal> |
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124 <literal>notice</literal> |
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125 <literal>warn</literal> |
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126 <literal>error</literal> |
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127 <literal>crit</literal> |
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128 <literal>alert</literal> |
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129 <literal>emerg</literal>]</syntax>
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130 <default>logs/error.log error</default>
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131 <context>main</context>
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132 <context>http</context>
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133 <context>server</context>
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134 <context>location</context>
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135
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136 <para>
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137 Конфигурирует запись в лог.
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138 </para>
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139
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140 <para>
271
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141 Первый параметр задаёт файл, который будет хранить лог.
255
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142 <!--
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143 Если имя файла не абсолютное, к нему добавляется в начало путь префикса.
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144 -->
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145 Специальное значение <literal>stderr</literal> выбирает стандартный файл ошибок.
255
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146 </para>
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147
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148 <para>
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149 Второй параметр определяет уровень лога.
255
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150 Уровни лога, указанные выше, перечислены в порядке возрастания их серьёзности.
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151 При установке определённого уровня в лог попадают все сообщения
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152 указанного и более серьёзных уровней.
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153 Например, при стандартном уровне <literal>error</literal> в лог попадают
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154 сообщения уровней <literal>error</literal>, <literal>crit</literal>,
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155 <literal>alert</literal> и <literal>emerg</literal>.
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156 Если этот параметр не задан, используется <literal>error</literal>.
255
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157 <note>
271
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158 Для работы уровня лога <literal>debug</literal> необходимо сконфигурировать
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159 nginx с <literal>--with-debug</literal>.
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160 </note>
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161 </para>
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162
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163 </directive>
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164
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165
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166 <directive name="env">
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167 <syntax><value>переменная</value>[=<value>значение</value>]</syntax>
102
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168 <default>TZ</default>
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169 <context>main</context>
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170
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171 <para>
255
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172 Позволяет ограничить набор переменных окружения, поменять им значения
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173 или же создать новые переменные окружения для следующих случаев:
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174 <list type="bullet">
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175
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176 <listitem>
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177 наследование переменных во время
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178 <link doc="control.xml" id="upgrade">обновления исполняемого файла на лету</link>;
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179 </listitem>
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180
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181 <listitem>
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182 использование переменных модулем
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183 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>;
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184 </listitem>
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185
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186 <listitem>
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187 использование переменных рабочими процессами.
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188 Однако нужно иметь в виду, что управление поведением системных библиотек
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189 подобным образом возможно не всегда, поскольку зачастую библиотеки используют
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190 переменные только во время инициализации, то есть ещё до того, как их
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191 можно задать с помощью данной директивы.
255
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192 Исключением из этого является вышеописанное
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193 <link doc="control.xml" id="upgrade">обновление исполняемого файла на лету</link>.
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194 </listitem>
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195
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196 </list>
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197 </para>
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198
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199 <para>
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200 Если переменная TZ не описана явно, то она всегда наследуется
255
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201 и всегда доступна модулю
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202 <link doc="http/ngx_http_perl_module.xml">ngx_http_perl_module</link>.
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203 </para>
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204
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205 <para>
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206 Пример использования:
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207 <example>
255
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208 env MALLOC_OPTIONS;
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209 env PERL5LIB=/data/site/modules;
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210 env OPENSSL_ALLOW_PROXY_CERTS=1;
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211 </example>
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212 </para>
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213
444
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214 <para>
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215 <note>
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216 Переменная окружения NGINX используется для внутренних целей nginx
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217 и не должна устанавливаться непосредственно самим пользователем.
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218 </note>
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219 </para>
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220
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221 </directive>
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222
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223
556
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224 <directive name="events">
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225 <syntax block="yes"/>
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226 <default/>
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227 <context>main</context>
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228
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229 <para>
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230 Предоставляет контекст конфигурационного файла, в котором указываются
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231 директивы, влияющие на обработку соединений.
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232 </para>
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233
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234 </directive>
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235
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236
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237 <directive name="include">
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238 <syntax><value>файл</value> | <value>маска</value></syntax>
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239 <default/>
104
3ae68fe2e938 A nicer look for the directive's synopsis section, including i18n
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240 <context/>
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241
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242 <para>
271
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243 Включает в конфигурацию другой <value>файл</value> или файлы,
255
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244 подходящие под заданную маску.
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245 Включаемые файлы должны содержать синтаксически верные директивы и блоки.
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246 </para>
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247
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248 <para>
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249 Пример использования:
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250 <example>
255
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251 include mime.types;
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252 include vhosts/*.conf;
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253 </example>
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254 </para>
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255
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256 </directive>
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257
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258
571
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259 <directive name="lock_file">
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260 <syntax><value>файл</value></syntax>
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261 <default>logs/nginx.lock</default>
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262 <context>main</context>
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263
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264 <para>
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265 Для реализации <link id="accept_mutex"/> и сериализации доступа к
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266 разделяемой памяти nginx использует механизм блокировок.
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267 На большинстве систем блокировки реализованы с помощью атомарных
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268 операций, и эта директива игнорируется.
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269 Для остальных систем применяется механизм файлов блокировок.
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270 Эта директива задаёт префикс имён файлов блокировок.
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271 </para>
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272
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273 </directive>
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274
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275
76
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276 <directive name="master_process">
271
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277 <syntax><literal>on</literal> | <literal>off</literal></syntax>
102
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278 <default>on</default>
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279 <context>main</context>
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280
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281 <para>
255
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282 Определяет, будут ли запускаться рабочие процессы.
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283 Эта директива предназначена для разработчиков nginx.
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284 </para>
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285
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286 </directive>
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287
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288
571
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289 <directive name="multi_accept">
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290 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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291 <default>off</default>
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292 <context>events</context>
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293
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294 <para>
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295 Если <literal>multi_accept</literal> выключен, рабочий процесс
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296 за один раз будет принимать только одно новое соединение.
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297 В противном случае рабочий процесс
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298 за один раз будет принимать сразу все новые соединения.
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299 <note>
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300 Директива игнорируется в случае использования метода обработки соединений
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301 <link doc="events.xml" id="kqueue"/>, т.к. данный метод сам сообщает
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302 число новых соединений, ожидающих приёма.
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303 </note>
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304 <note>
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305 Использование метода обработки соединений
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306 <link doc="events.xml" id="rtsig"/>
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307 автоматически включает <literal>multi_accept</literal>.
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308 </note>
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309 </para>
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310
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311 </directive>
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312
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313
289
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314 <directive name="pcre_jit">
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315 <syntax><literal>on</literal> | <literal>off</literal></syntax>
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316 <default>off</default>
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317 <context>main</context>
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318 <appeared-in>1.1.12</appeared-in>
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319
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320 <para>
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321 Разрешает или запрещает использование JIT-компиляции (PCRE JIT)
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322 для регулярных выражений, известных на момент парсинга конфигурации.
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323 </para>
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324
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325 <para>
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326 Использование PCRE JIT способно существенно ускорить обработку
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327 регулярных выражений.
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328 <note>
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329 Для работы JIT необходима библиотека PCRE версии 8.20 или выше,
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330 собранная с параметром конфигурации <literal>--enable-jit</literal>.
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331 При сборке библиотеки PCRE вместе с nginx (<literal>--with-pcre=</literal>),
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332 для включения поддержки JIT необходимо использовать параметр
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333 конфигурации <literal>--with-pcre-jit</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
76
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340 <directive name="pid">
271
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341 <syntax><value>файл</value></syntax>
102
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342 <default>nginx.pid</default>
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343 <context>main</context>
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344
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345 <para>
271
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346 Задаёт <value>файл</value>, в котором будет храниться номер (PID) основного процесса.
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347 </para>
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348
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349 </directive>
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350
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351
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352 <directive name="ssl_engine">
271
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353 <syntax><value>устройство</value></syntax>
99
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354 <default/>
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355 <context>main</context>
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356
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357 <para>
255
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358 Задаёт название аппаратного SSL-акселератора.
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359 </para>
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360
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361 </directive>
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362
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363
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364 <directive name="timer_resolution">
271
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365 <syntax><value>интервал</value></syntax>
99
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366 <default/>
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367 <context>main</context>
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368
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369 <para>
255
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370 Уменьшает разрешение таймеров времени в рабочих процессах, за счёт
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371 чего уменьшается число системных вызовов <c-func>gettimeofday</c-func>.
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372 По умолчанию <c-func>gettimeofday</c-func> вызывается после каждой
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373 операции получения событий из ядра.
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374 C уменьшенным разрешением <c-func>gettimeofday</c-func> вызывается только
271
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375 один раз за указанный <value>интервал</value>.
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376 </para>
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377
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378 <para>
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379 Пример использования:
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380 <example>
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381 timer_resolution 100ms;
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382 </example>
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383 </para>
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384
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385 <para>
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386 Внутренняя реализация интервала зависит от используемого метода:
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387 <list type="bullet">
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388
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389 <listitem>
271
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390 фильтр <c-def>EVFILT_TIMER</c-def> при использовании <literal>kqueue</literal>;
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391 </listitem>
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392
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393 <listitem>
271
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394 <c-func>timer_create</c-func> при использовании <literal>eventport</literal>;
76
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395 </listitem>
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396
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397 <listitem>
255
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398 и <c-func>setitimer</c-func> во всех остальных случаях.
76
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399 </listitem>
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
400
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
401 </list>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
402 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
403
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
404 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
405
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
406
556
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
407 <directive name="use">
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
408 <syntax><value>метод</value></syntax>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
409 <default/>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
410 <context>events</context>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
411
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
412 <para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
413 Задаёт <value>метод</value>, используемый для
345012910707 Documented the "events" and "use" directives.
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parents: 554
diff changeset
414 <link doc="events.xml">обработки соединений</link>.
345012910707 Documented the "events" and "use" directives.
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parents: 554
diff changeset
415 Обычно нет необходимости задавать его явно, поскольку по умолчанию
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
416 nginx сам выбирает наиболее эффективный метод.
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
417 </para>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
418
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
419 </directive>
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
420
345012910707 Documented the "events" and "use" directives.
Ruslan Ermilov <ru@nginx.com>
parents: 554
diff changeset
421
255
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diff changeset
422 <directive name="user">
271
4c6d2c614d2c Cleaned up XML tag mess:
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423 <syntax><value>пользователь</value> [<value>группа</value>]</syntax>
255
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424 <default>nobody nobody</default>
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diff changeset
425 <context>main</context>
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diff changeset
426
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427 <para>
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428 Задаёт пользователя и группу, с правами которого будут работать
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diff changeset
429 рабочие процессы.
271
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430 Если <value>группа</value> не задана, то используется группа, имя
255
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431 которой совпадает с именем пользователя.
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432 </para>
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433
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diff changeset
434 </directive>
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diff changeset
435
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diff changeset
436
545
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
437 <directive name="worker_connections">
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
438 <syntax><value>число</value></syntax>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
439 <default>512</default>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
440 <context>events</context>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
441
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
442 <para>
e97b46d1842d Documented the "worker_connections" directive.
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diff changeset
443 Задаёт максимальное число соединений, которое одновременно
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
444 может открыть рабочий процесс.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
445 </para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
446
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
447 <para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
448 Следует иметь в виду, что в это число входят все соединения
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
449 (в том числе, например, соединения с проксируемыми серверами),
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
450 а не только соединения с клиентами.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
451 Стоит также учитывать, что фактическое число одновременных
e97b46d1842d Documented the "worker_connections" directive.
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parents: 523
diff changeset
452 соединений не может превышать действующего ограничения на
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
453 максимальное число открытых файлов,
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
454 см. <link id="worker_rlimit_nofile"/>.
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
455 </para>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
456
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
457 </directive>
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
458
e97b46d1842d Documented the "worker_connections" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 523
diff changeset
459
469
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
460 <directive name="worker_cpu_affinity">
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
461 <syntax><value>маска_CPU</value> ...</syntax>
8275e169f77b Documented the "worker_cpu_affinity" directive.
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diff changeset
462 <default/>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
463 <context>main</context>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
464
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
465 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
466 Привязывает рабочие процессы к группам процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
467 Каждая группа процессоров задаётся битовой маской
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
468 разрешённых к использованию процессоров.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
469 Для каждого рабочего процесса должна быть задана отдельная группа.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
470 По умолчанию рабочие процессы не привязаны к конкретным процессорам.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
471 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
472
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
473 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
474 Например,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
475 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
476 worker_processes 4;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
477 worker_cpu_affinity 0001 0010 0100 1000;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
478 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
479 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
480 <example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
481 worker_processes 2;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
482 worker_cpu_affinity 0101 1010;
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
483 </example>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
484 привязывает первый рабочий процесс к CPU0/CPU2,
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
485 а второй — к CPU1/CPU3.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
486 Второй пример пригоден для hyper-threading.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
487 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
488
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
489 <para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
490 <note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
491 Директива доступна только на FreeBSD и Linux.
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
492 </note>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
493 </para>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
494
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
495 </directive>
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
496
8275e169f77b Documented the "worker_cpu_affinity" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 455
diff changeset
497
255
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498 <directive name="worker_priority">
271
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Ruslan Ermilov <ru@nginx.com>
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diff changeset
499 <syntax><value>число</value></syntax>
255
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diff changeset
500 <default>0</default>
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501 <context>main</context>
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diff changeset
502
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
503 <para>
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diff changeset
504 Задаёт приоритет планирования рабочих процессов подобно тому,
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
505 как это делается командой <command>nice</command>: отрицательное
271
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parents: 270
diff changeset
506 <value>число</value>
255
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diff changeset
507 означает более высокий приоритет.
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diff changeset
508 Диапазон возможных значений, как правило, варьируется от -20 до 20.
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diff changeset
509 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
510
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
511 <para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
512 Пример использования:
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diff changeset
513 <example>
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diff changeset
514 worker_priority -10;
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Ruslan Ermilov <ru@nginx.com>
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diff changeset
515 </example>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
516 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
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diff changeset
517
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
518 </directive>
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Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
519
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
520
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
521 <directive name="worker_processes">
271
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diff changeset
522 <syntax><value>число</value></syntax>
255
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523 <default>1</default>
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parents: 222
diff changeset
524 <context>main</context>
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Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
525
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
526 <para>
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parents: 222
diff changeset
527 Задаёт число рабочих процессов.
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diff changeset
528 </para>
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Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
529
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
530 <para>
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parents: 222
diff changeset
531 Оптимальное значение зависит от множества факторов, включая
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diff changeset
532 (но не ограничиваясь ими) число процессорных ядер, число
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parents: 222
diff changeset
533 жёстких дисков с данными и картину нагрузок.
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diff changeset
534 Если затрудняетесь в выборе правильного значения, можно начать
e2718c7f9040 Sync ngx_core_module documentation with English version.
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diff changeset
535 с установки его равным числу процессорных ядер.
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
536 </para>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
537
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
538 </directive>
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
539
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
540
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
541 <directive name="worker_rlimit_core">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
542 <syntax><value>размер</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
543 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
544 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
545
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
546 <para>
255
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
547 Изменяет ограничение на наибольший размер core-файла
e2718c7f9040 Sync ngx_core_module documentation with English version.
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parents: 222
diff changeset
548 (<c-def>RLIMIT_CORE</c-def>) для рабочих процессов.
76
4a4caa566120 Russian documentation import.
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parents:
diff changeset
549 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
550 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
551
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
552 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
553
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
554
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
555 <directive name="worker_rlimit_nofile">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
556 <syntax><value>число</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
Ruslan Ermilov <ru@nginx.com>
parents: 79
diff changeset
557 <default/>
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
558 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
559
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
560 <para>
255
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561 Изменяет ограничение на максимальное число открытых файлов
e2718c7f9040 Sync ngx_core_module documentation with English version.
Ruslan Ermilov <ru@nginx.com>
parents: 222
diff changeset
562 (<c-def>RLIMIT_NOFILE</c-def>) для рабочих процессов.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
563 Используется для увеличения ограничения без перезапуска основного процесса.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
564 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
565
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
566 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
567
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
568
554
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
569 <directive name="worker_rlimit_sigpending">
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
570 <syntax><value>число</value></syntax>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
571 <default/>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
572 <context>main</context>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
573
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
574 <para>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
575 На системах с поддержкой метода обработки соединений
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
576 <link doc="events.xml" id="rtsig"/>,
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
577 изменяет ограничение на размер очереди сигналов
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
578 (<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
579 Используется для увеличения ограничения без перезапуска основного процесса.
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
580 </para>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
581
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
582 </directive>
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
583
ccb7451af1d8 Documented the "worker_rlimit_sigpending" directive.
Ruslan Ermilov <ru@nginx.com>
parents: 545
diff changeset
584
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
585 <directive name="working_directory">
271
4c6d2c614d2c Cleaned up XML tag mess:
Ruslan Ermilov <ru@nginx.com>
parents: 270
diff changeset
586 <syntax><value>каталог</value></syntax>
99
1d315ef37215 The case <default/> is now language-agnostic.
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parents: 79
diff changeset
587 <default/>
76
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Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
588 <context>main</context>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
589
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
590 <para>
255
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diff changeset
591 Задаёт каталог, который будет текущим для рабочего процесса.
76
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
592 Основное применение — запись core-файла, в этом случае рабочий
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
593 процесс должен иметь права на запись в этот каталог.
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
594 </para>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
595
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
596 </directive>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
597
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
598 </section>
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
599
4a4caa566120 Russian documentation import.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
600 </module>