Collectd high memory usage causing poor host/instance performance or inability to allocate memory

Solution Verified - Updated -

Issue

  • The container collectd is using a large amount of the available memory of the system due to a memory leak if it cannot offload metrics to metrics_qdr.
  • This can lead to performance issues within Nova, or the inability to allocate additional memory if all available memory is consumed.

Environment

  • Red Hat OpenStack Platform 16.0 (RHSOP 16.0)
  • Red Hat OpenStack Platform 16.1 (RHSOP 16.1)
  • Red Hat OpenStack Platform 16.2 (RHOSP 16.2)

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