[jira] [Commented] (FLINK-27153) Allow optional last-state fallback for savepoint upgrade mode

["Yang Wang (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-27153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17537580#comment-17537580 ] 

Yang Wang commented on FLINK-27153:
-----------------------------------

[~gyfora] I am afraid FLINK-27495 does not fully covered this ticket. Only checkpoint/savepoint of globally terminal state job will be stored in the status.

For the savepoint failure and job continuously failing scenarios, the savepoint upgrade mode still could not work. IIUC, we want to solve this problem in this ticket at the very begging. But maybe this is not a concrete requirement, because users could anyway change the upgrade mode to last-state manually if HA enabled.

> Allow optional last-state fallback for savepoint upgrade mode
> -------------------------------------------------------------
>
>                 Key: FLINK-27153
>                 URL: https://issues.apache.org/jira/browse/FLINK-27153
>             Project: Flink
>          Issue Type: Improvement
>          Components: Kubernetes Operator
>            Reporter: Gyula Fora
>            Assignee: Gyula Fora
>            Priority: Major
>             Fix For: kubernetes-operator-1.0.0
>
>
> In many cases users would prefer to take a savepoint if the job is healthy before performing an upgrade but still allow checkpoint based (last-state) recovery in case the savepoint fails or the job is generally in a bad state.
> We should add a configuration flag for this that the user can set in the flinkConfiguration:
> `kubernetes.operator.job.upgrade.last-state-fallback`



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