@zhsun Can this bug be verified for 4.9 release?
Verified clusterversion: 4.9.0-0.nightly-2022-04-14-125839 1. Setup OpenShift Container Platform on AWS 2. Enable autoscaler by clusterautoscler 3. Install Elasticsearch, Logging, Jaeger, NFD, GitOps, Pipelines, Kiali and Service Mesh Operator 4. Run `for i in {5000..7125}; do oc new-project project-$i; oc create configmap project-$i --from-file=/etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt; done` 5. About 2 hours later, run https://docs.openshift.com/container-platform/4.8/post_installation_configuration/cluster-tasks.html#etcd-defrag_post-install-cluster-tasks to trigger `etcd defrag`, Run it for each `etcd` member (last the leader) $ oc rsh -n openshift-etcd etcd-zhsunazure-2kw7c-master-0 [15:39:09] Defaulted container "etcdctl" out of: etcdctl, etcd, etcd-metrics, etcd-health-monitor, setup (init), etcd-ensure-env-vars (init), etcd-resources-copy (init) sh-4.4# unset ETCDCTL_ENDPOINTS sh-4.4# etcdctl endpoint status -w table --cluster +-----------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | ENDPOINT | ID | VERSION | DB SIZE | IS LEADER | IS LEARNER | RAFT TERM | RAFT INDEX | RAFT APPLIED INDEX | ERRORS | +-----------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ | https://10.0.0.6:2379 | 50928b3f1313232 | 3.5.0 | 1.7 GB | false | false | 6 | 337966 | 337966 | | | https://10.0.0.8:2379 | 1ac574d30e667edc | 3.5.0 | 1.7 GB | true | false | 6 | 337966 | 337966 | | | https://10.0.0.7:2379 | ec66c6beb10bb6b3 | 3.5.0 | 1.7 GB | false | false | 6 | 337966 | 337966 | | +-----------------------+------------------+---------+---------+-----------+------------+-----------+------------+--------------------+--------+ sh-4.4# etcdctl --command-timeout=30s --endpoints=https://10.0.0.6:2379 defrag Finished defragmenting etcd member[https://10.0.0.6:2379] sh-4.4# etcdctl --command-timeout=30s --endpoints=https://10.0.0.7:2379 defrag Finished defragmenting etcd member[https://10.0.0.7:2379] sh-4.4# etcdctl --command-timeout=30s --endpoints=https://10.0.0.8:2379 defrag Finished defragmenting etcd member[https://10.0.0.8:2379] cluster-autoscaler-default pod is not restarting at any time $ oc get po [15:41:10] NAME READY STATUS RESTARTS AGE cluster-autoscaler-default-6dfb9f8bcc-jhgpp 1/1 Running 0 3h51m cluster-autoscaler-operator-654fb45c66-4mdz6 2/2 Running 0 4h33m cluster-baremetal-operator-569b4ff4dd-5q9wj 2/2 Running 0 4h33m machine-api-controllers-785cc9fdf-lb969 7/7 Running 0 4h26m machine-api-operator-ff7dd5bd7-cf4xv 2/2 Running 0 4h33m $ oc edit po cluster-autoscaler-default-6dfb9f8bcc-jhgpp spec: containers: - args: - --logtostderr - --v=1 - --cloud-provider=clusterapi - --namespace=openshift-machine-api - --leader-elect-lease-duration=137s - --leader-elect-renew-deadline=107s - --leader-elect-retry-period=26s
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.9.29 bug fix and security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2022:1363