Werk #14138: Reduce erroneous retrieval and flushing of RRDs

Komponente Setup
Titel Reduce erroneous retrieval and flushing of RRDs
Datum 04.07.2022
Checkmk-Editon Checkmk Enterprise (CEE)
Checkmk-Version 2.2.0i1 2.1.0p7
Level Kleine Änderung
Klasse Bugfix
Kompatibilität Kompatibel - benötigt kein manuelles Eingreifen

The built-in dashboard Kubernetes and would provide insufficient context information for it's dashlets. This led to error messages in the cmc.log, e.g.,

Error flushing RRD: Usage: rrdtool rrdtool flushcached [--daemon|-d ] [ ...] Error accessing RRD: don't understand 'kube_cpu_usage'

These errors are harmless, but spam the log. With this werk, the erroneous commands are no longer produced if opening the Kubernetes dashboard.

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