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<title>mpmt_os2 - Apache HTTP Server</title>
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<p class="apache">Apache HTTP Server Version 2.0</p>
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<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP Server</a> > <a href="http://httpd.apache.org/docs/">Documentation</a> > <a href="../">Version 2.0</a> > <a href="./">Modules</a></div>
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<div class="retired"><h4>Please note</h4>
<p>This document refers to the <strong>2.0</strong> version of Apache httpd, which <strong>is no longer maintained</strong>. Upgrade, and refer to the current version of httpd instead, documented at:</p>
<ul><li><a href="http://httpd.apache.org/docs/current/">Current release version of Apache HTTP Server documentation</a></li></ul><p>You may follow <a href="http://httpd.apache.org/docs/current/mod/mpmt_os2.html">this link</a> to go to the current version of this document.</p></div><div id="preamble"><h1>Apache MPM os2</h1>
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Hybrid multi-process, multi-threaded MPM for OS/2</td></tr>
<tr><th><a href="module-dict.html#Status">Status:</a></th><td>MPM</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>mpm_mpmt_os2_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mpmt_os2.c</td></tr></table>
<h3>Summary</h3>
<p>The Server consists of a main, parent process and a small, static
number of child processes.</p>
<p>The parent process's job is to manage the child processes. This
involves spawning children as required to ensure there are always
<code class="directive"><a href="../mod/mpm_common.html#startservers">StartServers</a></code> processes
accepting connections.</p>
<p>Each child process consists of a a pool of worker threads and a
main thread that accepts connections and passes them to the workers via
a work queue. The worker thread pool is dynamic, managed by a
maintenance thread so that the number of idle threads is kept between
<code class="directive"><a href="../mod/mpm_common.html#minsparethreads">MinSpareThreads</a></code> and
<code class="directive"><a href="../mod/mpm_common.html#maxsparethreads">MaxSpareThreads</a></code>.</p>
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<div id="quickview"><h3 class="directives">Directives</h3>
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<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#group">Group</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#listen">Listen</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#listenbacklog">ListenBacklog</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#maxrequestsperchild">MaxRequestsPerChild</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#maxsparethreads">MaxSpareThreads</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#minsparethreads">MinSpareThreads</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#pidfile">PidFile</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#receivebuffersize">ReceiveBufferSize</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#sendbuffersize">SendBufferSize</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#startservers">StartServers</a></li>
<li><img alt="" src="../images/right.gif" /> <a href="mpm_common.html#user">User</a></li>
</ul>
<h3>See also</h3>
<ul class="seealso">
<li><a href="../bind.html">Setting which addresses and ports Apache
uses</a></li>
</ul></div>
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<p class="apache">Copyright 2013 The Apache Software Foundation.<br />Licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.</p>
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