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https://issues.apache.org/jira/browse/FLINK-27804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17542763#comment-17542763
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Yang Wang commented on FLINK-27804:
-----------------------------------
I am afraid observing the FINISHED job during an upgrade has no difference with
observing an already suspended FlinkDeployment.
> Do not observe cluster/job mid upgrade
> --------------------------------------
>
> Key: FLINK-27804
> URL: https://issues.apache.org/jira/browse/FLINK-27804
> Project: Flink
> Issue Type: Improvement
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.0.0
> Reporter: Gyula Fora
> Assignee: Gyula Fora
> Priority: Critical
> Labels: pull-request-available
>
> Seems like in some weird cornercases when we observe the FINISHED job
> (stopped with savepoint) during an upgrade the recorded last snapshot is
> incorrect (still need to investigate if this is due to a Flink problem or
> what) This can lead to upgrade errors.
> This can be avoided by simply skipping the observe step when the
> reconciliation status is UPGRADING because at that point we actually know
> that the job was already shut down and state recorded correctly in the
> savepoint info.
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