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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head>
<title>rsyslog queues parameters</title></head>
<body>
<a href="rsyslog_conf_global.html">back</a>
<p><h2>General Queue Parameters</h2></p>
<p>Queue parameters can be used together with the following statements:
<ul>
<li><a href="rsyslog_conf_actions.html">action()</a>
<li>ruleset()</a>
<li>main_queue()</a>
</ul>
<p>
Queues need to be configured in the action or ruleset it should affect. If nothing is configured,
default values will be used. Thus, the default ruleset has only the default main queue. Specific Action
queues are not set up by default.</p>
<ul>
<li><strong>queue.filename</strong> name<br>
File name to be used for the queue files. Please note that
this is actually just the file name. A directory can NOT be
specified in this paramter. If the files shall be
created in a specific directory, specify
queue.spoolDirectory for this. The filename is used to build
to complete path for queue files.</li>
<li><strong>queue.spoolDirectory</strong> name<br>
This is the directory into which queue files will be stored.
Note that the directory must exist, it is NOT automatically
created by rsyslog. If no spoolDirectory is specified, the
work directory is used.
</li>
<li><strong>queue.size</strong> number <br>
This is the maximum size of the queue in number of messages.
Note that setting the queue size to very small values (roughly
below 100 messages) is not supported and can lead to
unpredictable results.<br>
For more information on the current status of this restriction
see the <a href="http://www.rsyslog.com/lower-bound-for-queue-sizes/">rsyslog
FAQ: "lower bound for queue sizes"</a>.</li>
<li><strong>queue.dequeuebatchsize</strong> number
<br>default 16</li>
<li><strong>queue.maxdiskspace</strong> number</li>
<li><strong>queue.highwatermark</strong> number
<br>default 8000</li>
<li><strong>queue.lowwatermark</strong> number
<br>default 2000</li>
<li><strong>queue.fulldelaymark</strong> number</li>
<li><strong>queue.lightdelaymark</strong> number</li>
<li><strong>queue.discardmark</strong> number
<br>default 9750]</li>
<li><strong>queue.discardseverity</strong> number
<br>*numerical* severity! default 8 (nothing discarded)</li>
<li><strong>queue.checkpointinterval</strong> number</li>
<li><strong>queue.syncqueuefiles</strong> on/off</li>
<li><strong>queue.type</strong> [FixedArray/LinkedList/<b>Direct</b>/Disk]</li>
<li><strong>queue.workerthreads</strong> number
<br>number of worker threads, default 1, recommended 1</li>
<li><strong>queue.timeoutshutdown</strong> number
<br>number is timeout in ms (1000ms is 1sec!), default 0 (indefinite)</li>
<li><strong>queue.timeoutactioncompletion</strong> number
<br>number is timeout in ms (1000ms is 1sec!), default 1000, 0 means immediate!</li>
<li><strong>queue.timeoutenqueue</strong> number
<br>number is timeout in ms (1000ms is 1sec!), default 2000, 0 means indefinite</li>
<li><strong>queue.timeoutworkerthreadshutdown</strong> number
<br>number is timeout in ms (1000ms is 1sec!), default 60000 (1 minute)</li>
<li><strong>queue.workerthreadminimummessages</strong> number
<br>default 100</li>
<li><strong>queue.maxfilesize</strong> size_nbr
<br> default 1m</li>
<li><strong>queue.saveonshutdown</strong> on/<b>off</b></li>
<li><strong>queue.dequeueslowdown</strong> number
<br>number is timeout in microseconds (1000000us is 1sec!), default 0 (no delay). Simple rate-limiting!</li>
<li><strong>queue.dequeuetimebegin</strong> number</li>
<li><strong>queue.dequeuetimeend</strong> number</li>
</ul>
<p><b>Sample:</b></p>
<p>The following is a sample of a TCP forwarding action with its own queue.</p>
<textarea rows="7" cols="60">action(type="omfwd"
target="192.168.2.11"
port="10514"
protocol="tcp"
queue.filename="forwarding"
queue.size="1000000"
queue.type="LinkedList"
)
</textarea>
<br><br>
[<a href="manual.html">manual index</a>]
[<a href="rsyslog_conf.html">rsyslog.conf</a>]
[<a href="http://www.rsyslog.com/">rsyslog site</a>]</p>
<p><font size="2">This documentation is part of the
<a href="http://www.rsyslog.com/">rsyslog</a> project.<br>
Copyright © 2013 by <a href="http://www.gerhards.net/rainer">Rainer Gerhards</a> and
<a href="http://www.adiscon.com/">Adiscon</a>. Released under the GNU GPL
version 3 or higher.</font></p>
</body></html>
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