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  1. Flink
  2. FLINK-25154

FLIP-193: Snapshots ownership

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    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Implemented
    • None
    • 1.15.0
    • None
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      When restoring from a savepoint or retained externalized checkpoint you can choose the mode in which you want to perform the operation. You can choose from CLAIM, NO_CLAIM, LEGACY(the old behaviour).

      In CLAIM mode Flink takes ownership of the snapshot and will potentially try to remove the snapshot at a certain point in time. On the other hand the NO_CLAIM mode will make sure Flink does not depend on the existence of any files belonging to the initial snapshot.

      For a more thorough description see the documentaion.
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      When restoring from a savepoint or retained externalized checkpoint you can choose the mode in which you want to perform the operation. You can choose from CLAIM, NO_CLAIM, LEGACY(the old behaviour). In CLAIM mode Flink takes ownership of the snapshot and will potentially try to remove the snapshot at a certain point in time. On the other hand the NO_CLAIM mode will make sure Flink does not depend on the existence of any files belonging to the initial snapshot. For a more thorough description see the documentaion.

    Description

      Task for implementing FLIP-193: https://cwiki.apache.org/confluence/x/bIyqCw

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              dwysakowicz Dawid Wysakowicz
              dwysakowicz Dawid Wysakowicz
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