Mercurial > hg > nginx-site
comparison xml/en/docs/http/ngx_http_upstream_module.xml @ 1801:592f9fa804f6
Added info about shared memory to max_conns.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Wed, 28 Sep 2016 20:27:40 +0300 |
parents | 9d722e4153ab |
children | 2245f2827e2f |
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1800:9d722e4153ab | 1801:592f9fa804f6 |
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8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> | 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> |
9 | 9 |
10 <module name="Module ngx_http_upstream_module" | 10 <module name="Module ngx_http_upstream_module" |
11 link="/en/docs/http/ngx_http_upstream_module.html" | 11 link="/en/docs/http/ngx_http_upstream_module.html" |
12 lang="en" | 12 lang="en" |
13 rev="50"> | 13 rev="51"> |
14 | 14 |
15 <section id="summary"> | 15 <section id="summary"> |
16 | 16 |
17 <para> | 17 <para> |
18 The <literal>ngx_http_upstream_module</literal> module | 18 The <literal>ngx_http_upstream_module</literal> module |
155 </tag-name> | 155 </tag-name> |
156 <tag-desc> | 156 <tag-desc> |
157 limits the maximum <value>number</value> of simultaneous active | 157 limits the maximum <value>number</value> of simultaneous active |
158 connections to the proxied server (1.11.5). | 158 connections to the proxied server (1.11.5). |
159 Default value is zero, meaning there is no limit. | 159 Default value is zero, meaning there is no limit. |
160 <note> | 160 If the server group does not reside in the <link id="zone">shared memory</link>, |
161 When <link id="keepalive"/> connections and multiple | 161 the limitation works per each worker process. |
162 <link doc="../ngx_core_module.xml" id="worker_processes">workers</link> | 162 <note> |
163 are enabled, | 163 If <link id="keepalive">idle keepalive</link> connections, |
164 the total number of connections to the proxied server | 164 multiple <link doc="../ngx_core_module.xml" id="worker_processes">workers</link>, |
165 and the <link id="zone">shared memory</link> are enabled, | |
166 the total number of active and idle connections to the proxied server | |
165 may exceed the <literal>max_conns</literal> value. | 167 may exceed the <literal>max_conns</literal> value. |
166 </note> | 168 </note> |
167 <note> | 169 <note> |
168 Since version 1.5.9 and prior to version 1.11.5, | 170 Since version 1.5.9 and prior to version 1.11.5, |
169 this parameter was available as part of our | 171 this parameter was available as part of our |