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<title>mod_socache_memcache - Apache HTTP Server Version 2.5</title>
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<div id="preamble"><h1>Apache Module mod_socache_memcache</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mod_socache_memcache.html" title="English"> en </a> |
<a href="../fr/mod/mod_socache_memcache.html" hreflang="fr" rel="alternate" title="Fran�ais"> fr </a></p>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Memcache based shared object cache provider.</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>socache_memcache_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_socache_memcache.c</td></tr></table>
<h3>Summary</h3>
<p><code>mod_socache_memcache</code> is a shared object cache provider
which provides for creation and access to a cache backed by the
<a href="http://memcached.org/">memcached</a>
high-performance, distributed memory object caching system.
</p>
<p>This shared object cache provider's "create" method requires a
comma separated list of memcached host/port specifications. If using
this provider via another modules configuration (such as
<code class="directive"><a href="../mod/mod_ssl.html#sslsessioncache">SSLSessionCache</a></code>), provide
the list of servers as the optional "arg" parameter.</p>
<pre class="prettyprint lang-config">SSLSessionCache memcache:memcache.example.com:12345,memcache2.example.com:12345</pre>
<p>Details of other shared object cache providers can be found
<a href="../socache.html">here</a>.
</p>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#memcacheconnttl">MemcacheConnTTL</a></li>
</ul>
<h3>Bugfix checklist</h3><ul class="seealso"><li><a href="https://www.apache.org/dist/httpd/CHANGES_2.4">httpd changelog</a></li><li><a href="https://bz.apache.org/bugzilla/buglist.cgi?bug_status=__open__&list_id=144532&product=Apache%20httpd-2&query_format=specific&order=changeddate%20DESC%2Cpriority%2Cbug_severity&component=mod_socache_memcache">Known issues</a></li><li><a href="https://bz.apache.org/bugzilla/enter_bug.cgi?product=Apache%20httpd-2&component=mod_socache_memcache">Report a bug</a></li></ul><h3>See also</h3>
<ul class="seealso">
<li><a href="#comments_section">Comments</a></li></ul></div>
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<div class="directive-section"><h2><a name="MemcacheConnTTL" id="MemcacheConnTTL">MemcacheConnTTL</a> <a name="memcacheconnttl" id="memcacheconnttl">Directive</a> <a title="Permanent link" href="#memcacheconnttl" class="permalink">¶</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Keepalive time for idle connections</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MemcacheConnTTL <em>num[units]</em></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MemcacheConnTTL 15s</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_socache_memcache</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.4.17 and later</td></tr>
</table>
<p>Set the time to keep idle connections with the memcache server(s)
alive (threaded platforms only).</p>
<p>Valid values for <code class="directive">MemcacheConnTTL</code> are times
up to one hour. 0 means no timeout.</p>
<div class="note"><p>This timeout defaults to units of seconds, but accepts
suffixes for milliseconds (ms), seconds (s), minutes (min), and hours (h).
</p></div>
<p>Before Apache 2.4.17, this timeout was hardcoded and its value was 600 usec.
So, the closest configuration to match the legacy behaviour is to set
<code class="directive">MemcacheConnTTL</code> to 1ms.</p>
<div class="example"><pre class="prettyprint lang-config"># Set a timeout of 10 minutes
MemcacheConnTTL 10min
# Set a timeout of 60 seconds
MemcacheConnTTL 60</pre>
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