Mercurial > hg > nginx-site

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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 6c96a644b0b3
children 5d7fd7d9a2b6
comparison
equal deleted inserted replaced
1743:3d686cb47c2c 1744:ab56dcd73af2
8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> 8 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
9 9
10 <module name="Module ngx_stream_limit_conn_module" 10 <module name="Module ngx_stream_limit_conn_module"
11 link="/en/docs/stream/ngx_stream_limit_conn_module.html" 11 link="/en/docs/stream/ngx_stream_limit_conn_module.html"
12 lang="en" 12 lang="en"
13 rev="2"> 13 rev="3">
14 14
15 <section id="summary"> 15 <section id="summary">
16 16
17 <para> 17 <para>
18 The <literal>ngx_stream_limit_conn_module</literal> module (1.9.3) is used to 18 The <literal>ngx_stream_limit_conn_module</literal> module (1.9.3) is used to
112 112
113 <para> 113 <para>
114 Sets parameters for a shared memory zone 114 Sets parameters for a shared memory zone
115 that will keep states for various keys. 115 that will keep states for various keys.
116 In particular, the state includes the current number of connections. 116 In particular, the state includes the current number of connections.
117 Currently, the supported value for the <value>key</value> is 117 The <value>key</value> can contain text, variables,
118 the client address in the binary form specified as 118 and their combinations (1.11.2).
119 <literal>$binary_remote_addr</literal>.
120 Connections with an empty key value are not accounted. 119 Connections with an empty key value are not accounted.
121 Usage example: 120 Usage example:
122 <example> 121 <example>
123 limit_conn_zone $binary_remote_addr zone=addr:10m; 122 limit_conn_zone $binary_remote_addr zone=addr:10m;
124 </example> 123 </example>
125 Here, the key is a client IP address set by the 124 Here, the key is a client IP address set by the
126 <literal>$binary_remote_addr</literal> key. 125 <literal>$binary_remote_addr</literal> variable.
127 The size of <literal>$binary_remote_addr</literal> 126 The size of <literal>$binary_remote_addr</literal>
128 is 4 bytes for IPv4 addresses or 16 bytes for IPv6 addresses. 127 is 4 bytes for IPv4 addresses or 16 bytes for IPv6 addresses.
129 The stored state always occupies 32 or 64 bytes 128 The stored state always occupies 32 or 64 bytes
130 on 32-bit platforms and 64 bytes on 64-bit platforms. 129 on 32-bit platforms and 64 bytes on 64-bit platforms.
131 One megabyte zone can keep about 32 thousand 32-byte states 130 One megabyte zone can keep about 32 thousand 32-byte states