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<title>mpm_netware - Apache HTTP Server</title>
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<p class="apache">Apache HTTP Server Version 2.1</p>
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<div id="preamble"><h1>Apache Module mpm_netware</h1>
<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�Identifier:</a></th><td>mpm_netware_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source�File:</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 which need to serve more than 250 simultaneous
requests may need to increase <code class="directive">MaxThreads</code>, while
sites with limited memory may need to decrease
<code class="directive">MaxThreads</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>
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<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#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 /></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 250</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 MaxThreads directive sets the desired maximum
number worker threads allowable.</p>
</div>
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<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 /></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>
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