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git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@102617 13f79535-47bb-0310-9956-ffa450edef68
143 lines
4.6 KiB
XML
143 lines
4.6 KiB
XML
<?xml version="1.0"?>
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<!DOCTYPE modulesynopsis SYSTEM "../style/modulesynopsis.dtd">
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<?xml-stylesheet type="text/xsl" href="../style/manual.en.xsl"?>
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<!--
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Copyright 2002-2004 The Apache Software Foundation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<modulesynopsis metafile="mod_status.xml.meta">
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<name>mod_status</name>
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<description>Provides information on server activity and
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performance</description>
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<status>Base</status>
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<sourcefile>mod_status.c</sourcefile>
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<identifier>status_module</identifier>
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<summary>
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<p>The Status module allows a server administrator to find out
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how well their server is performing. A HTML page is presented
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that gives the current server statistics in an easily readable
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form. If required this page can be made to automatically
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refresh (given a compatible browser). Another page gives a
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simple machine-readable list of the current server state.</p>
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<p>The details given are:</p>
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<ul>
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<li>The number of worker serving requests</li>
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<li>The number of idle worker</li>
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<li>The status of each worker, the number of requests that
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worker has performed and the total number of bytes served by
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the worker (*)</li>
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<li>A total number of accesses and byte count served (*)</li>
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<li>The time the server was started/restarted and the time it
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has been running for</li>
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<li>Averages giving the number of requests per second, the
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number of bytes served per second and the average number of
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bytes per request (*)</li>
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<li>The current percentage CPU used by each worker and in
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total by Apache (*)</li>
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<li>The current hosts and requests being processed (*)</li>
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</ul>
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<p>A compile-time option must be used to display the details
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marked "(*)" as the instrumentation required for obtaining
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these statistics does not exist within standard Apache.</p>
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</summary>
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<section id="enable">
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<title>Enabling Status Support</title>
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<p>To enable status reports only for browsers from the foo.com
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domain add this code to your <code>httpd.conf</code>
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configuration file</p>
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<example>
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<Location /server-status><br />
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SetHandler server-status<br />
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<br />
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Order Deny,Allow<br />
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Deny from all<br />
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Allow from .foo.com<br />
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</Location>
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</example>
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<p>You can now access server statistics by using a Web browser
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to access the page
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<code>http://your.server.name/server-status</code></p>
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</section>
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<section id="autoupdate">
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<title>Automatic Updates</title>
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<p>You can get the status page to update itself automatically if
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you have a browser that supports "refresh". Access the page
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<code>http://your.server.name/server-status?refresh=N</code> to
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refresh the page every N seconds.</p>
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</section>
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<section id="machinereadable">
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<title>Machine Readable Status File</title>
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<p>A machine-readable version of the status file is available by
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accessing the page
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<code>http://your.server.name/server-status?auto</code>. This
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is useful when automatically run, see the Perl program in the
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<code>/support</code> directory of Apache,
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<code>log_server_status</code>.</p>
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<note>
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<strong>It should be noted that if <module>mod_status</module> is
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compiled into the server, its handler capability is available
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in <em>all</em> configuration files, including
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<em>per</em>-directory files (<em>e.g.</em>,
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<code>.htaccess</code>). This may have security-related
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ramifications for your site.</strong>
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</note>
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</section>
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<directivesynopsis>
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<name>ExtendedStatus</name>
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<description>Keep track of extended status information for each
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request</description>
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<syntax>ExtendedStatus On|Off</syntax>
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<default>ExtendedStatus Off</default>
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<contextlist><context>server config</context></contextlist>
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<compatibility>ExtendedStatus is only available in Apache 1.3.2 and
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later.</compatibility>
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<usage>
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<p>This setting applies to the entire server, and cannot be
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enabled or disabled on a virtualhost-by-virtualhost basis.
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The collection of extended status information can slow down
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the server.</p>
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</usage>
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</directivesynopsis>
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</modulesynopsis>
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