Werk #10128: Fixed potential monitoring core crash when rrdcached is down

Component packages
Title Fixed potential monitoring core crash when rrdcached is down
Date Sep 3, 2020
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.0.0i1 1.6.0p18
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

The rrdtool library used by the Nagios Event Broker and the Micro Core has a subtle bug, which could lead to undefined behavior when the rrdcached is down or replies with an error. Symptoms are funny log messages or monitoring core crashes when graphs are viewed in the GUI. This has been fixed.

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