Werk #14138: Reduce erroneous retrieval and flushing of RRDs

Component Setup
Title Reduce erroneous retrieval and flushing of RRDs
Date Jul 4, 2022
Checkmk Editon Checkmk Enterprise (CEE)
Checkmk Version 2.2.0i1 2.1.0p7
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

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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