Can it cause degraded performance if control plane nodes share the datastore with multiple other VMs?
Issue
- It is observed that the
Control Plane
services likeapi-server
andetcd
frequently crash or are overloaded. The overall performance of the cluster'scontrol-plane
services seems impacted. - Logs like
took too long
appear frequently in theetcd
logs.
Environment
- Red Hat Openshift Container Platform (RHOCP)
- 4
- VMware vSphere
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