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<title>mod_status - Apache HTTP Server</title>
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<p class="apache">Apache HTTP Server Version 2.3</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 2.3</a> > <a href="./">Modules</a></div>
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<div id="preamble"><h1>Apache Module mod_status</h1>
<div class="toplang">
<p><span>Available Languages: </span><a href="/en/mod/mod_status.html" title="English"> en </a> |
<a href="/ja/mod/mod_status.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
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<table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Provides information on server activity and
performance</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">Module�Identifier:</a></th><td>status_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">Source�File:</a></th><td>mod_status.c</td></tr></table>
<h3>Summary</h3>
<p>The Status module allows a server administrator to find out
how well their server is performing. A HTML page is presented
that gives the current server statistics in an easily readable
form. If required this page can be made to automatically
refresh (given a compatible browser). Another page gives a
simple machine-readable list of the current server state.</p>
<p>The details given are:</p>
<ul>
<li>The number of worker serving requests</li>
<li>The number of idle worker</li>
<li>The status of each worker, the number of requests that
worker has performed and the total number of bytes served by
the worker (*)</li>
<li>A total number of accesses and byte count served (*)</li>
has been running for</li>
<li>Averages giving the number of requests per second, the
number of bytes served per second and the average number of
bytes per request (*)</li>
<li>The current percentage CPU used by each worker and in
total by Apache (*)</li>
<li>The current hosts and requests being processed (*)</li>
</ul>
<p>The lines marked "(*)" are only available if
<code class="directive"><a href="#extendedstatus">ExtendedStatus</a></code>
is <code>On</code>.</p>
</div>
<div id="quickview"><h3 class="directives">Directives</h3>
<ul id="toc">
</ul>
<h3>Topics</h3>
<ul id="topics">
<li><img alt="" src="/images/down.gif" /> <a href="#machinereadable">Machine Readable Status File</a></li>
</ul></div>
<div class="section">
<h2><a name="enable" id="enable">Enabling Status Support</a></h2>
<p>To enable status reports only for browsers from the example.com
configuration file</p>
<div class="example"><p><code>
<Location /server-status><br />
SetHandler server-status<br />
<br />
Order Deny,Allow<br />
Deny from all<br />
Allow from .example.com<br />
</Location>
</code></p></div>
<p>You can now access server statistics by using a Web browser
to access the page
<div class="section">
<h2><a name="autoupdate" id="autoupdate">Automatic Updates</a></h2>
<p>You can get the status page to update itself automatically if
you have a browser that supports "refresh". Access the page
refresh the page every N seconds.</p>
<div class="section">
<h2><a name="machinereadable" id="machinereadable">Machine Readable Status File</a></h2>
<p>A machine-readable version of the status file is available by
accessing the page
is useful when automatically run, see the Perl program in the
<code>/support</code> directory of Apache,
<code>log_server_status</code>.</p>
<div class="note">
<strong>It should be noted that if <code class="module"><a href="/mod/mod_status.html">mod_status</a></code> is
compiled into the server, its handler capability is available
in <em>all</em> configuration files, including
<code>.htaccess</code>). This may have security-related
ramifications for your site.</strong>
</div>
</div>
<div class="directive-section"><h2><a name="ExtendedStatus" id="ExtendedStatus">ExtendedStatus</a> <a name="extendedstatus" id="extendedstatus">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Keep track of extended status information for each
request</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ExtendedStatus On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ExtendedStatus Off</code></td></tr>
</table>
<p>This setting applies to the entire server, and cannot be
enabled or disabled on a virtualhost-by-virtualhost basis.
The collection of extended status information can slow down
the server.</p>
</div>
<div class="directive-section"><h2><a name="SeeRequestTail" id="SeeRequestTail">SeeRequestTail</a> <a name="seerequesttail" id="seerequesttail">Directive</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Determine if mod_status displays the first 63 characters
of a request or the last 63, assuming the request itself is greater than
63 chars.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>SeeRequestTail On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>SeeRequestTail Off</code></td></tr>
<tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>Available in Apache 2.2.7 and later.</td></tr>
</table>
<p>mod_status with <code>ExtendedStatus On</code>
displays the actual request being handled.
For historical purposes, only 63 characters of the request
are actually stored for display purposes. This directive
controls whether the 1st 63 characters are stored (the previous
behavior and the default) or if the last 63 characters are. This
is only applicable, of course, if the length of the request is
64 characters or greater.</p>
<p>If Apache is handling <code>GET /disk1/storage/apache/htdocs/images/imagestore1/food/apples.jpg HTTP/1.1</code> mod_status displays as follows:
</p>
<table class="bordered">
<tr>
<th>Off (default)</th>
</tr>
<tr>
<th>On</th>
</tr>
</table>
</div>
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<p><span>Available Languages: </span><a href="/en/mod/mod_status.html" title="English"> en </a> |
<a href="/ja/mod/mod_status.html" hreflang="ja" rel="alternate" title="Japanese"> ja </a> |
<a href="/tr/mod/mod_status.html" hreflang="tr" rel="alternate" title="T�rk�e"> tr </a></p>
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<p class="apache">Copyright 2008 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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