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| author | Rainer Gerhards <rgerhards@adiscon.com> | 2008-09-02 11:38:31 +0200 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2008-09-02 11:38:31 +0200 |
| commit | 1a9ac0ced72dd163228438af4f31f233fab20529 (patch) | |
| tree | 6f228f58615d596bef9ca4f3f0da934368191369 /doc/rsyslog_conf.html | |
| parent | c2f30a2fc3fb1f87c157828dd08ee20fe444833d (diff) | |
| download | rsyslog-1a9ac0ced72dd163228438af4f31f233fab20529.tar.gz rsyslog-1a9ac0ced72dd163228438af4f31f233fab20529.tar.xz rsyslog-1a9ac0ced72dd163228438af4f31f233fab20529.zip | |
removed compile time fixed message size limit (was 2K)
The limit can now be set via $MaxMessageSize global config
directive (finally gotten rid of MAXLINE ;))
Diffstat (limited to 'doc/rsyslog_conf.html')
| -rw-r--r-- | doc/rsyslog_conf.html | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/doc/rsyslog_conf.html b/doc/rsyslog_conf.html index 69e16ac6..0db69451 100644 --- a/doc/rsyslog_conf.html +++ b/doc/rsyslog_conf.html @@ -208,10 +208,30 @@ default 60000 (1 minute)]</li> </li> <li>$MainMsgQueueWorkerThreads <number>, num worker threads, default 1, recommended 1</li> -<li>$MainMsgQueueWorkerThreadMinumumMessages -<number>, default 100</li> -<li><a href="rsconf1_markmessageperiod.html">$MarkMessagePeriod</a> -(immark)</li> +<li>$MainMsgQueueWorkerThreadMinumumMessages <number>, default 100</li> +<li><a href="rsconf1_markmessageperiod.html">$MarkMessagePeriod</a> (immark)</li> +<li><b><i>$MaxMessageSize</i></b> <size_nbr>, default 2k - allows to specify maximum supported message size +(both for sending and receiving). The default +should be sufficient for almost all cases. Do not set this below 1k, as it would cause +interoperability problems with other syslog implementations.<br> +Change the setting to e.g. 32768 if you would like to +support large message sizes for IHE (32k is the current maximum +needed for IHE). I was initially tempted to set the default to 32k, +but there is a some memory footprint with the current +implementation in rsyslog. +<br>If you intend to receive Windows Event Log data (e.g. via +<a href="http://www.eventreporter.com/">EventReporter</a>), you might want to +increase this number to an even higher value, as event +log messages can be very lengthy ("$MaxMessageSize 64k" is not a bad idea). +Note: testing showed that 4k seems to be +the typical maximum for <b>UDP</b> based syslog. This is an IP stack +restriction. Not always ... but very often. If you go beyond +that value, be sure to test that rsyslogd actually does what +you think it should do ;) It is highly suggested to use a TCP based transport +instead of UDP (plain TCP syslog, RELP). This resolves the UDP stack size restrictions. +<br>Note that 2k, the current default, is the smallest size that must be +supported in order to be compliant to the upcoming new syslog RFC series. +</li> <li><a href="rsconf1_moddir.html">$ModDir</a></li> <li><a href="rsconf1_modload.html">$ModLoad</a></li> <li><a href="rsconf1_repeatedmsgreduction.html">$RepeatedMsgReduction</a></li> |