[jira] [Updated] (FLINK-31766) Restoring from a retained checkpoint that was generated with changelog backend enabled might fail due to missing files

["Matthias Pohl (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-31766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthias Pohl updated FLINK-31766:
----------------------------------
    Attachment: FLINK-31593.StatefulJobSavepointMigrationITCase.verify_snapshot.log
                FLINK-31593.StatefulJobSavepointMigrationITCase.create_snapshot.log

> Restoring from a retained checkpoint that was generated with changelog backend enabled might fail due to missing files
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-31766
>                 URL: https://issues.apache.org/jira/browse/FLINK-31766
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Coordination
>    Affects Versions: 1.17.0, 1.16.1, 1.18.0
>            Reporter: Matthias Pohl
>            Priority: Major
>         Attachments: FLINK-31593.StatefulJobSavepointMigrationITCase.create_snapshot.log, FLINK-31593.StatefulJobSavepointMigrationITCase.verify_snapshot.log
>
>
> in FLINK-31593 we discovered a instability when generating the test data for {{StatefulJobSavepointMigrationITCase}} and {{StatefulJobWBroadcastStateMigrationITCase}}. It appears that files are deleted that shouldn't be deleted (see [~Yanfei Lei]'s [comment in FLINK-31593|https://issues.apache.org/jira/browse/FLINK-31593?focusedCommentId=17706679&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17706679]).
> It's quite reproducible when generating the 1.17 test data for {{StatefulJobWBroadcastStateMigrationITCase}} and doing a test run to verify it.
> I'm attaching the debug logs of such two runs that I generated for FLINK-31593 in this issue as well.



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