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<title>mpm_netware - 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 id="preamble"><h1>Apache MPM netware</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="../en/mod/mpm_netware.html" title="English"> en </a></p>
</div>
<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Multi-Processing Module implementing an exclusively threaded web
server optimized for Novell NetWare</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營dentifier:</a></th><td>mpm_netware_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source燜ile:</a></th><td>mpm_netware.c</td></tr></table>
<h3>Summary</h3>
<p>This Multi-Processing Module (MPM) implements an exclusively
threaded web server that has been optimized for Novell
NetWare.</p>
<p>The main thread is responsible for launching child
worker threads which listen for connections and serve them when they
arrive. Apache always tries to maintain several <dfn>spare</dfn>
or idle worker threads, which stand ready to serve incoming
requests. In this way, clients do not need to wait for a new
child threads to be spawned before their requests can be
served.</p>
<p>The <code class="directive"><a href="../mod/mpm_common.html#startthreads">StartThreads</a></code>,
<code class="directive"><a href="../mod/mpm_common.html#minsparethreads">MinSpareThreads</a></code>,
<code class="directive"><a href="../mod/mpm_common.html#maxsparethreads">MaxSpareThreads</a></code>, and
<code class="directive"><a href="#maxthreads">MaxThreads</a></code>
regulate how the main thread creates worker threads to serve
requests. In general, Apache is very self-regulating, so most
sites do not need to adjust these directives from their default
values. Sites with limited memory may need to decrease <code class="directive"><a href="#maxthreads">MaxThreads</a></code> to keep the server from
thrashing (spawning and terminating idle threads). More information
about tuning process creation is provided in the <a href="../misc/perf-tuning.html">performance hints</a>
documentation.</p>
<p><code class="directive"><a href="../mod/mpm_common.html#maxrequestsperchild">MaxRequestsPerChild</a></code>
controls how frequently the server recycles processes by killing old
ones and launching new ones. On the NetWare OS it is highly
recommended that this directive remain set to 0. This allows worker
threads to continue servicing requests indefinitely.</p>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
<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#maxmemfree">MaxMemFree</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/down.gif" /> <a href="#maxthreads">MaxThreads</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#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#startthreads">StartThreads</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#threadstacksize">ThreadStackSize</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>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="MaxThreads" id="MaxThreads">MaxThreads</a> <a name="maxthreads" id="maxthreads">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Set the maximum number of worker threads</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>MaxThreads <var>number</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>MaxThreads 2048</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>MPM</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mpm_netware</td></tr>
</table>
<p>The <code class="directive">MaxThreads</code> directive sets the desired
maximum number worker threads allowable. The default value is
also the compiled in hard limit. Therefore it can only be lowered,
for example:</p>
<div class="example"><p><code>
MaxThreads 512
</code></p></div>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="ThreadStackSize" id="ThreadStackSize">ThreadStackSize</a> <a name="threadstacksize" id="threadstacksize">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determine the stack size for each thread</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ThreadStackSize <var>number</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ThreadStackSize 65536</code></td></tr>
<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>MPM</td></tr>
<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mpm_netware</td></tr>
</table>
<p>This directive tells the server what stack size to use for
each of the running threads. If you ever get a stack overflow
you will need to bump this number to a higher setting.</p>
</div>
</div>
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<p><span>Available Languages: </span><a href="../en/mod/mpm_netware.html" title="English"> en </a></p>
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<p class="apache">Copyright 2006 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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