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Described synchronization of delete operations in keyval module.
author Vladimir Homutov <vl@nginx.com>
date Wed, 09 Jan 2019 12:12:33 +0300
parents 283b1e67eaa6
children dd3ac7eefeed
comparison
equal deleted inserted replaced
2327:5ecdddc3851e 2328:9aa6f3f76055
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> 7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
8 8
9 <module name="Module ngx_stream_keyval_module" 9 <module name="Module ngx_stream_keyval_module"
10 link="/en/docs/stream/ngx_stream_keyval_module.html" 10 link="/en/docs/stream/ngx_stream_keyval_module.html"
11 lang="en" 11 lang="en"
12 rev="3"> 12 rev="4">
13 13
14 <section id="summary"> 14 <section id="summary">
15 15
16 <para> 16 <para>
17 The <literal>ngx_stream_keyval_module</literal> module (1.13.7) creates variables 17 The <literal>ngx_stream_keyval_module</literal> module (1.13.7) creates variables
112 <para id="keyval_sync"> 112 <para id="keyval_sync">
113 The optional <literal>sync</literal> parameter (1.15.0) enables 113 The optional <literal>sync</literal> parameter (1.15.0) enables
114 <link doc="ngx_stream_zone_sync_module.xml" id="zone_sync">synchronization</link> 114 <link doc="ngx_stream_zone_sync_module.xml" id="zone_sync">synchronization</link>
115 of the shared memory zone. 115 of the shared memory zone.
116 The synchronization requires the 116 The synchronization requires the
117 <link id="keyval_timeout">timeout</link> parameter to be set. 117 <literal>timeout</literal> parameter to be set.
118 <note>
119 If the synchronization is enabled, removal of key-value pairs (no matter
120 <link doc="../http/ngx_http_api_module.xml" id="patchStreamKeyvalZoneKeyValue">one</link>
121 or
122 <link doc="../http/ngx_http_api_module.xml" id="deleteStreamKeyvalZoneData">all</link>)
123 will be performed only on a target cluster node.
124 The same key-value pairs on other cluster nodes
125 will be removed upon <literal>timeout</literal>.
126 </note>
118 </para> 127 </para>
119 128
120 </directive> 129 </directive>
121 130
122 </section> 131 </section>