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8 <title>mod_status - Apache HTTP Server</title>
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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" hreflang="en" 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>
35 <strong>Warning:</strong> This document has not been updated
36 to take into account changes made in the 2.0 version of the
37 Apache HTTP Server. Some of the information may still be
38 relevant, but please use it with care.
41 <p>The Status module allows a server administrator to find out
42 how well their server is performing. A HTML page is presented
43 that gives the current server statistics in an easily readable
44 form. If required this page can be made to automatically
45 refresh (given a compatible browser). Another page gives a
46 simple machine-readable list of the current server state.</p>
48 <p>The details given are:</p>
51 <li>The number of children serving requests</li>
53 <li>The number of idle children</li>
55 <li>The status of each child, the number of requests that
56 child has performed and the total number of bytes served by
59 <li>A total number of accesses and byte count served (*)</li>
61 <li>The time the server was started/restarted and the time it
62 has been running for</li>
64 <li>Averages giving the number of requests per second, the
65 number of bytes served per second and the average number of
66 bytes per request (*)</li>
68 <li>The current percentage CPU used by each child and in
69 total by Apache (*)</li>
71 <li>The current hosts and requests being processed (*)</li>
74 <p>A compile-time option must be used to display the details
75 marked "(*)" as the instrumentation required for obtaining
76 these statistics does not exist within standard Apache.</p>
78 <div id="quickview"><h3 class="directives">Directives</h3>
80 <li><img alt="" src="../images/down.gif" /> <a href="#extendedstatus">ExtendedStatus</a></li>
84 <li><img alt="" src="../images/down.gif" /> <a href="#enable">Enabling Status Support</a></li>
85 <li><img alt="" src="../images/down.gif" /> <a href="#autoupdate">Automatic Updates</a></li>
86 <li><img alt="" src="../images/down.gif" /> <a href="#machinereadable">Machine Readable Status File</a></li>
88 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
90 <h2><a name="enable" id="enable">Enabling Status Support</a></h2>
93 <p>To enable status reports only for browsers from the foo.com
94 domain add this code to your <code>httpd.conf</code>
95 configuration file</p>
96 <div class="example"><p><code>
97 <Location /server-status><br />
98 SetHandler server-status<br />
100 Order Deny,Allow<br />
102 Allow from .foo.com<br />
106 <p>You can now access server statistics by using a Web browser
108 <code>http://your.server.name/server-status</code></p>
110 <div class="note"><p>Note that <code class="module"><a href="../mod/mod_status.html">mod_status</a></code> will only work
111 when you are running Apache in <a href="core.html#servertype">standalone</a> mode and not
112 <a href="core.html#servertype">inetd</a> mode.</p></div>
113 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
114 <div class="section">
115 <h2><a name="autoupdate" id="autoupdate">Automatic Updates</a></h2>
118 <p>You can get the status page to update itself automatically if
119 you have a browser that supports "refresh". Access the page
120 <code>http://your.server.name/server-status?refresh=N</code> to
121 refresh the page every N seconds.</p>
123 </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
124 <div class="section">
125 <h2><a name="machinereadable" id="machinereadable">Machine Readable Status File</a></h2>
128 <p>A machine-readable version of the status file is available by
130 <code>http://your.server.name/server-status?auto</code>. This
131 is useful when automatically run, see the Perl program in the
132 <code>/support</code> directory of Apache,
133 <code>log_server_status</code>.</p>
136 <strong>It should be noted that if <code class="module"><a href="../mod/mod_status.html">mod_status</a></code> is
137 compiled into the server, its handler capability is available
138 in <em>all</em> configuration files, including
139 <em>per</em>-directory files (<em>e.g.</em>,
140 <code>.htaccess</code>). This may have security-related
141 ramifications for your site.</strong>
145 <div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
146 <div class="directive-section"><h2><a name="ExtendedStatus" id="ExtendedStatus">ExtendedStatus</a> <a name="extendedstatus" id="extendedstatus">Directive</a></h2>
147 <table class="directive">
148 <tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Keep track of extended status information for each
150 <tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ExtendedStatus On|Off</code></td></tr>
151 <tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>ExtendedStatus Off</code></td></tr>
152 <tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config</td></tr>
153 <tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Base</td></tr>
154 <tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_status</td></tr>
155 <tr><th><a href="directive-dict.html#Compatibility">Compatibility:</a></th><td>ExtendedStatus is only available in Apache 1.3.2 and
158 <p>This setting applies to the entire server, and cannot be
159 enabled or disabled on a virtualhost-by-virtualhost basis.
160 The collection of extended status information can slow down
165 <div class="bottomlang">
166 <p><span>Available Languages: </span><a href="../en/mod/mod_status.html" hreflang="en" title="English"> en </a></p>
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168 <p class="apache">Maintained by the <a href="http://httpd.apache.org/docs-project/">Apache HTTP Server Documentation Project</a></p>
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