What does the etcd warning "failed to send out heartbeat on time" mean?
Issue
-
etcd
Pod logs shows the following warnings:W | etcdserver: server is likely overloaded. W | etcdserver: failed to send out heartbeat on time (exceeded the 500ms timeout for 78.009036ms)
Environment
- Red Hat OpenShift Container Platform (OCP) 3.10
- Red Hat OpenShift Container Platform (OCP) 3.11
- Red Hat OpenShift Container Platform (OCP) 4.x
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