Is there a way to configure rsyslog to suppress identical duplicate messages?

In certain situations (often hardware failures) my syslog can grow to 100 MB or more due to repeated messages every quarter-second or so.

  • which version of rsyslog are you running? Dec 8, 2011 at 13:22

1 Answer 1


See the $RepeatedMsgReduction config switch, which turns such duplicate messages into one by logging "Last line repeated n times". You can also discard unwanted messages.

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