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8 <title>mod_status - Apache HTTP Server</title>
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16 <p class="apache">Apache HTTP Server Version 2.1</p>
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22 <div id="preamble"><h1>Apache Module mod_status</h1>
24 <p><span>Available Languages: </span><a href="../en/mod/mod_status.html" title="English"> en </a></p>
26 <table class="module"><tr><th><a href="module-dict.html#Description">Description:</a></th><td>Provides information on server activity and
28 <tr><th><a href="module-dict.html#Status">Status:</a></th><td>Base</td></tr>
29 <tr><th><a href="module-dict.html#ModuleIdentifier">Module Identifier:</a></th><td>status_module</td></tr>
30 <tr><th><a href="module-dict.html#SourceFile">Source File:</a></th><td>mod_status.c</td></tr></table>
33 <p>The Status module allows a server administrator to find out
34 how well their server is performing. A HTML page is presented
35 that gives the current server statistics in an easily readable
36 form. If required this page can be made to automatically
37 refresh (given a compatible browser). Another page gives a
38 simple machine-readable list of the current server state.</p>
40 <p>The details given are:</p>
43 <li>The number of worker serving requests</li>
45 <li>The number of idle worker</li>
47 <li>The status of each worker, the number of requests that
48 worker has performed and the total number of bytes served by
51 <li>A total number of accesses and byte count served (*)</li>
53 <li>The time the server was started/restarted and the time it
54 has been running for</li>
56 <li>Averages giving the number of requests per second, the
57 number of bytes served per second and the average number of
58 bytes per request (*)</li>
60 <li>The current percentage CPU used by each worker and in
61 total by Apache (*)</li>
63 <li>The current hosts and requests being processed (*)</li>
66 <p>A compile-time option must be used to display the details
67 marked "(*)" as the instrumentation required for obtaining
68 these statistics does not exist within standard Apache.</p>
70 <div id="quickview"><h3 class="directives">Directives</h3>
72 <li><img alt="" src="../images/down.gif" /> <a href="#extendedstatus">ExtendedStatus</a></li>
76 <li><img alt="" src="../images/down.gif" /> <a href="#enable">Enabling Status Support</a></li>
77 <li><img alt="" src="../images/down.gif" /> <a href="#autoupdate">Automatic Updates</a></li>
78 <li><img alt="" src="../images/down.gif" /> <a href="#machinereadable">Machine Readable Status File</a></li>
80 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
82 <h2><a name="enable" id="enable">Enabling Status Support</a></h2>
85 <p>To enable status reports only for browsers from the foo.com
86 domain add this code to your <code>httpd.conf</code>
87 configuration file</p>
88 <div class="example"><p><code>
89 <Location /server-status><br />
90 SetHandler server-status<br />
92 Order Deny,Allow<br />
94 Allow from .foo.com<br />
98 <p>You can now access server statistics by using a Web browser
100 <code>http://your.server.name/server-status</code></p>
101 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
102 <div class="section">
103 <h2><a name="autoupdate" id="autoupdate">Automatic Updates</a></h2>
106 <p>You can get the status page to update itself automatically if
107 you have a browser that supports "refresh". Access the page
108 <code>http://your.server.name/server-status?refresh=N</code> to
109 refresh the page every N seconds.</p>
111 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
112 <div class="section">
113 <h2><a name="machinereadable" id="machinereadable">Machine Readable Status File</a></h2>
116 <p>A machine-readable version of the status file is available by
118 <code>http://your.server.name/server-status?auto</code>. This
119 is useful when automatically run, see the Perl program in the
120 <code>/support</code> directory of Apache,
121 <code>log_server_status</code>.</p>
124 <strong>It should be noted that if <code class="module"><a href="../mod/mod_status.html">mod_status</a></code> is
125 compiled into the server, its handler capability is available
126 in <em>all</em> configuration files, including
127 <em>per</em>-directory files (<em>e.g.</em>,
128 <code>.htaccess</code>). This may have security-related
129 ramifications for your site.</strong>
133 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
134 <div class="directive-section"><h2><a name="ExtendedStatus" id="ExtendedStatus">ExtendedStatus</a> <a name="extendedstatus" id="extendedstatus">Directive</a></h2>
135 <table class="directive">
136 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Keep track of extended status information for each
138 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ExtendedStatus On|Off</code></td></tr>
139 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ExtendedStatus Off</code></td></tr>
140 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
141 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
142 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_status</td></tr>
143 <tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>ExtendedStatus is only available in Apache 1.3.2 and
146 <p>This setting applies to the entire server, and cannot be
147 enabled or disabled on a virtualhost-by-virtualhost basis.
148 The collection of extended status information can slow down
153 <div class="bottomlang">
154 <p><span>Available Languages: </span><a href="../en/mod/mod_status.html" title="English"> en </a></p>
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156 <p class="apache">Copyright 1999-2004 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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