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<div class="section" id="varnishlog">
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<h1>varnishlog<a class="headerlink" href="#varnishlog" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="display-varnish-logs">
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<h2>Display Varnish logs<a class="headerlink" href="#display-varnish-logs" title="Permalink to this headline">¶</a></h2>
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<table class="docutils field-list" frame="void" rules="none">
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<col class="field-name" />
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<col class="field-body" />
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<tr class="field"><th class="field-name">Author:</th><td class="field-body">Dag-Erling Smørgrav</td>
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<tr class="field"><th class="field-name">Author:</th><td class="field-body">Per Buer</td>
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<tr class="field"><th class="field-name">Date:</th><td class="field-body">2010-05-31</td>
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<tr class="field"><th class="field-name">Version:</th><td class="field-body">0.2</td>
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<tr class="field"><th class="field-name">Manual section:</th><td class="field-body">1</td>
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<div class="section" id="synopsis">
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<h3>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline">¶</a></h3>
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<p>varnishlog [-a] [-b] [-C] [-c] [-D] [-d] [-I regex] [-i tag] [-k keep]
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[-n varnish_name] [-o] [-O] [-m <a class="reference external" href="tag:regex">tag:regex</a> ...] [-P file] [-r file] [-s num] [-u] [-V]
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[-w file] [-X regex] [-x tag]</p>
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<div class="section" id="description">
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<h3>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h3>
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<p>The varnishlog utility reads and presents varnishd(1) shared memory logs.</p>
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<p>The following options are available:</p>
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<table class="docutils option-list" frame="void" rules="none">
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<col class="option" />
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<col class="description" />
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<tr><td class="option-group">
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<kbd><span class="option">-a</span></kbd></td>
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<td>When writing to a file, append to it rather than overwrite it.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-b</span></kbd></td>
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<td>Include log entries which result from communication with a backend server.
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If neither -b nor -c is specified, varnishlog acts as if they both were.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-C</span></kbd></td>
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<td>Ignore case when matching regular expressions.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-c</span></kbd></td>
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<td>Include log entries which result from communication with a client.
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If neither -b nor -c is specified, varnishlog acts as if they both were.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-D</span></kbd></td>
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<td>Daemonize.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-d</span></kbd></td>
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<td>Process old log entries on startup. Normally, varnishlog will only process entries
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which are written to the log after it starts.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-I <var>regex</var></span></kbd></td>
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<td>Include log entries which match the specified regular expression. If
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neither -I nor -i is specified, all log entries are included.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-i <var>tag</var></span></kbd></td>
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<td>Include log entries with the specified tag. If neither -I nor -i is specified,
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all log entries are included.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-k <var>num</var></span></kbd></td>
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<td>Only show the first num log records.</td></tr>
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<dl class="docutils">
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<dt>-m <a class="reference external" href="tag:regex">tag:regex</a> only list transactions where tag matches regex. Multiple</dt>
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<dd>-m options are AND-ed together. Can not be combined with -O</dd>
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<table class="docutils option-list" frame="void" rules="none">
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<col class="option" />
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<col class="description" />
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<tr><td class="option-group">
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<kbd><span class="option">-n</span></kbd></td>
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<td>Specifies the name of the varnishd instance to get logs from. If -n is not
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specified, the host name is used.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-o</span></kbd></td>
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<td>Ignored for compatibility with earlier versions.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-O</span></kbd></td>
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<td>Do not group log entries by request ID. Can not be
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combined with -m.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-P <var>file</var></span></kbd></td>
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<td>Write the process's PID to the specified file.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-r <var>file</var></span></kbd></td>
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<td>Read log entries from file instead of shared memory.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-s <var>num</var></span></kbd></td>
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<td>Skip the first num log records.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-u</span></kbd></td>
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<td>Unbuffered output.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-V</span></kbd></td>
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<td>Display the version number and exit.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-w <var>file</var></span></kbd></td>
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<td>Write log entries to file instead of displaying them. The file
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will be overwritten unless the -a option was specified. If
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varnishlog receives a SIGHUP while writing to a file, it will
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reopen the file, allowing the old one to be rotated away.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-X <var>regex</var></span></kbd></td>
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<td>Exclude log entries which match the specified regular expression.</td></tr>
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<tr><td class="option-group">
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<kbd><span class="option">-x <var>tag</var></span></kbd></td>
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<td>Exclude log entries with the specified tag.</td></tr>
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<div class="section" id="tags">
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<h3>TAGS<a class="headerlink" href="#tags" title="Permalink to this headline">¶</a></h3>
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<p>The following log entry tags are currently defined:</p>
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<li>BackendClose</li>
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<li>BackendReuse</li>
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<li>ObjLostHeader</li>
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<li>RxLostHeader</li>
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<li>SessionClose</li>
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<li>TxLostHeader</li>
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<div class="section" id="examples">
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<h3>EXAMPLES<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h3>
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<p>The following command line simply copies all log entries to a log file::</p>
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<div class="highlight-python"><pre>$ varnishlog -w /var/log/varnish.log</pre>
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<p>The following command line reads that same log file and displays requests for the front page::</p>
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<div class="highlight-python"><pre>$ varnishlog -r /var/log/varnish.log -c -m 'RxURL:^/$'</pre>
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<div class="section" id="see-also">
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<h3>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline">¶</a></h3>
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<li>varnishhist(1)</li>
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<li>varnishncsa(1)</li>
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<li>varnishstat(1)</li>
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<li>varnishtop(1)</li>
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<div class="section" id="history">
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<h3>HISTORY<a class="headerlink" href="#history" title="Permalink to this headline">¶</a></h3>
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<p>The varnishlog utility was developed by Poul-Henning Kamp ⟨phk@phk.freebsd.dk⟩ in cooperation with Verdens Gang
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AS, Varnish Software AS and Varnish Software. This manual page was initially written by Dag-Erling Smørgrav.</p>
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<div class="section" id="copyright">
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<h3>COPYRIGHT<a class="headerlink" href="#copyright" title="Permalink to this headline">¶</a></h3>
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<p>This document is licensed under the same licence as Varnish
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itself. See LICENCE for details.</p>
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<li>Copyright (c) 2006 Verdens Gang AS</li>
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<li>Copyright (c) 2006-2011 Varnish Software AS</li>
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<h3><a href="../index.html">Table Of Contents</a></h3>
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<li><a class="reference internal" href="#">varnishlog</a><ul>
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<li><a class="reference internal" href="#display-varnish-logs">Display Varnish logs</a><ul>
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<li><a class="reference internal" href="#synopsis">SYNOPSIS</a></li>
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<li><a class="reference internal" href="#description">DESCRIPTION</a></li>
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<li><a class="reference internal" href="#tags">TAGS</a></li>
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<li><a class="reference internal" href="#examples">EXAMPLES</a></li>
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<li><a class="reference internal" href="#see-also">SEE ALSO</a></li>
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<li><a class="reference internal" href="#history">HISTORY</a></li>
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<li><a class="reference internal" href="#copyright">COPYRIGHT</a></li>
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