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Posted to issues@flink.apache.org by "SwathiChandrashekar (Jira)" <ji...@apache.org> on 2022/12/11 13:16:00 UTC
[jira] [Updated] (FLINK-30361) Flink cluster deleted and created back while updating replicas
[ https://issues.apache.org/jira/browse/FLINK-30361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
SwathiChandrashekar updated FLINK-30361:
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Summary: Flink cluster deleted and created back while updating replicas (was: Flink cluster deleted and created back while updating the replicas)
> Flink cluster deleted and created back while updating replicas
> --------------------------------------------------------------
>
> Key: FLINK-30361
> URL: https://issues.apache.org/jira/browse/FLINK-30361
> Project: Flink
> Issue Type: Bug
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.2.0
> Reporter: SwathiChandrashekar
> Priority: Major
>
> Whenever we try to update the replicas of the task manager for a flink standalone session cluster using the flink CR, any change in CR triggers a redeploy of the flink cluster ( delete + create of all the components - JM and TM ).
> This might not be required for replica update and this should not affect the existing pods and only a new TM pod will added during a scale up and a TM pod should be deleted during a scale down.
> Example tried --> Change the TM replicas from 2 to 3.
> {quote}PS C:\Users\cswathi\Documents\flink-OSS-operator> kubectl get pods -w
> NAME READY STATUS RESTARTS AGE
> basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 0/1 ContainerCreating 0 1s
> flink-kubernetes-operator-676897686f-5fc8r 2/2 Running 0 18m
> basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 1/1 Running 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 1/1 Running 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 1/1 Running 0 13s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 1/1 Terminating 0 65s
> *basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 1/1 Terminating 0 65s
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 1/1 Terminating 0 65s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 1/1 Terminating 0 66s
> basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 1/1 Terminating 0 66s*
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 1/1 Terminating 0 66s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 0/1 Terminating 0 66s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 0/1 Terminating 0 66s
> basic-session-deployment-only-example-taskmanager-77854fbb7vzvd 0/1 Terminating 0 66s
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 0/1 Terminating 0 67s
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 0/1 Terminating 0 67s
> basic-session-deployment-only-example-taskmanager-77854fbbg6vzs 0/1 Terminating 0 67s
> basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 0/1 Terminating 0 67s
> basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 0/1 Terminating 0 67s
> basic-session-deployment-only-example-5dbbdf5dd8-cq8nb 0/1 Terminating 0 67s
> basic-session-deployment-only-example-588474bf97-nng85 0/1 Pending 0 0s
> basic-session-deployment-only-example-588474bf97-nng85 0/1 Pending 0 0s
> basic-session-deployment-only-example-588474bf97-nng85 0/1 ContainerCreating 0 0s
> basic-session-deployment-only-example-taskmanager-77854fbb5ddxv 0/1 Pending 0 0s
> basic-session-deployment-only-example-taskmanager-77854fbb5ddxv 0/1 Pending 0 0s
> basic-session-deployment-only-example-taskmanager-77854fbbrfgvz 0/1 Pending 0 0s
> basic-session-deployment-only-example-taskmanager-77854fbb57v4t 0/1 Pending 0 0s
> basic-session-deployment-only-example-taskmanager-77854fbbrfgvz 0/1 Pending 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb57v4t 0/1 Pending 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb5ddxv 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbbrfgvz 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb57v4t 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-588474bf97-nng85 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbbrfgvz 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb57v4t 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb5ddxv 0/1 ContainerCreating 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbbrfgvz 1/1 Running 0 1s
> basic-session-deployment-only-example-taskmanager-77854fbb5ddxv 1/1 Running 0 1s
> basic-session-deployment-only-example-588474bf97-nng85 1/1 Running 0 2s
> basic-session-deployment-only-example-taskmanager-77854fbb57v4t 1/1 Running 0 17s{quote}
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