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Version: release-0.9

Restart PostgreSQL cluster

You can restart all pods of the cluster. When an exception occurs in a database, you can try to restart it.

note

The pod role may change after the cluster restarts.

Steps​

  1. Restart a cluster.

    Configure the values of components and ttlSecondsAfterSucceed and run the command below to restart a specified cluster.

    kbcli cluster restart NAME --components="postgresql" \
    --ttlSecondsAfterSucceed=30
    • components describes the component name that needs to be restarted.
    • ttlSecondsAfterSucceed describes the time to live of an OpsRequest job after the restarting succeeds.

  2. Validate the restarting.

    Run the command below to check the cluster status to check the restarting status.

    kbcli cluster list pg-cluster
    >
    NAME         NAMESPACE   CLUSTER-DEFINITION          VERSION             TERMINATION-POLICY   STATUS    CREATED-TIME
    pg-cluster   default     postgresql                  postgresql-14.8.0   Delete               Running   Mar 03,2023 19:38 UTC+0800
    • STATUS=Updating: it means the cluster restart is in progress.
    • STATUS=Running: it means the cluster has been restarted.