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comparison xml/en/docs/stream/ngx_stream_upstream_module.xml @ 1744:ab56dcd73af2

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Added variables to stream hash, limit_conn_zone, proxy_bind.
author Yaroslav Zhuravlev <yar@nginx.com>
date Tue, 05 Jul 2016 17:58:34 +0300
parents 1a16dce51bce
children 536dc1885e24
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1743:3d686cb47c2c 1744:ab56dcd73af2
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> 7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
8 8
9 <module name="Module ngx_stream_upstream_module" 9 <module name="Module ngx_stream_upstream_module"
10 link="/en/docs/stream/ngx_stream_upstream_module.html" 10 link="/en/docs/stream/ngx_stream_upstream_module.html"
11 lang="en" 11 lang="en"
12 rev="13"> 12 rev="14">
13 13
14 <section id="summary"> 14 <section id="summary">
15 15
16 <para> 16 <para>
17 The <literal>ngx_stream_upstream_module</literal> module (1.9.0) 17 The <literal>ngx_stream_upstream_module</literal> module (1.9.0)
381 <context>upstream</context> 381 <context>upstream</context>
382 382
383 <para> 383 <para>
384 Specifies a load balancing method for a server group 384 Specifies a load balancing method for a server group
385 where client-server mapping is based on the hashed <value>key</value> value. 385 where client-server mapping is based on the hashed <value>key</value> value.
386 Currently, the only supported value for the <literal>key</literal> 386 The <value>key</value> can contain text, variables,
387 is the client remote address specified as <literal>$remote_addr</literal>. 387 and their combinations (1.11.2).
388 Usage example:
389 <example>
390 hash $remote_addr;
391 </example>
388 Note that adding or removing a server from the group 392 Note that adding or removing a server from the group
389 may result in remapping most of the keys to different servers. 393 may result in remapping most of the keys to different servers.
390 The method is compatible with the 394 The method is compatible with the
391 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link> 395 <link url="http://search.cpan.org/perldoc?Cache%3A%3AMemcached">Cache::Memcached</link>
392 Perl library. 396 Perl library.