Apr 20 11:03:37 lxkubenode01 kubelet[9103]: W0420 11:03:37.275020    9103 volume_linux.go:49] Setting volume ownership for /var/lib/kubelet/pods/63c4a49f-bf23-4b87-989e-102f5fcdb315/volumes/kubernetes.io~secret/seq-token-whpfk and fsGroup set. If the volume has a lot of files then setting volume ownership could be slow, see https://github.com/kubernetes/kubernetes/issues/69699
  Apr 20 11:03:46 lxkubenode01 kubelet[9103]: W0420 11:03:46.198559    9103 volume_linux.go:49] Setting volume ownership for /var/lib/kubelet/pods/cdb79fa0-4942-4211-9261-a4928f872bd6/volumes/kubernetes.io~secret/prometheus-operator-prometheus-node-exporter-token-snbtf and fsGroup set. If the volume has a lot of files then setting volume ownership could be slow, see https://github.com/kubernetes/kubernetes/issues/69699
  Apr 20 11:03:47 lxkubenode01 kubelet[9103]: W0420 11:03:47.201212    9103 volume_linux.go:49] Setting volume ownership for /var/lib/kubelet/pods/8cafe45f-2d14-4eb1-8c38-71a54b34f83c/volumes/kubernetes.io~secret/default-token-9hq84 and fsGroup set. If the volume has a lot of files then setting volume ownership could be slow, see https://github.com/kubernetes/kubernetes/issues/69699

cat > /etc/rsyslog.d/ignore-kubelet-volume.conf << EOF
if (\$programname == "kubelet") and (\$msg contains "Setting volume ownership") then {
  stop
}
EOF

aggregator_unavailable_apiservice

watch chan error: etcdserver: mvcc: required revision has been compacted

~]# kubectl get cs
NAME                 AGE
controller-manager   <unknown>
scheduler            <unknown>
etcd-0               <unknown>

    I0331 01:40:30.953289       1 trace.go:116] Trace[2133477734]: "Get" url:/api/v1/namespaces/kube-system (started: 2020-03-31 01:40:21.623714299 +0000 UTC m=+338766.344413381) (total time: 9.329480544s):
    Trace[2133477734]: [9.329404093s] [9.329362028s] About to write a response
    I0331 01:40:36.528652       1 trace.go:116] Trace[1431450424]: "Get" url:/api/v1/namespaces/default (started: 2020-03-31 01:40:28.063278623 +0000 UTC m=+338772.783977705) (total time: 8.465254793s):
    Trace[1431450424]: [8.465073901s] [8.465027207s] About to write a response
    I0331 01:40:37.333718       1 trace.go:116] Trace[1319947973]: "Get" url:/api/v1/namespaces/kube-public (started: 2020-03-31 01:40:30.954280125 +0000 UTC m=+338775.674979196) (total time: 6.379382999s):
    Trace[1319947973]: [6.37929667s] [6.379253238s] About to write a response

etcdserver: read-only range request ..... took too long  to execute