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https://issues.apache.org/jira/browse/FLINK-39140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Fan updated FLINK-39140:
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Fix Version/s: (was: jdbc-3.4.0)
> Enhance Unaligned Checkpoint ITCases to perform checkpointing during recovery
> -----------------------------------------------------------------------------
>
> Key: FLINK-39140
> URL: https://issues.apache.org/jira/browse/FLINK-39140
> Project: Flink
> Issue Type: Sub-task
> Reporter: Rui Fan
> Assignee: Rui Fan
> Priority: Major
>
> Current Unaligned Checkpoint ITCases only restart once from a normal
> checkpoint. They do not cover restoring from a checkpoint produced by
> recovery phase — which is the key scenario for checkpointing during recovery.
> *Proposed mechanism:* After restoring from a checkpoint, wait for the first
> new checkpoint to be produced, then immediately trigger a restart from it.
> Repeat for a configurable number of rounds (≥ 2). Whether to rescale depends
> on the specific test case.
> This mechanism works on the current master (validating normal checkpoint
> recovery). Once checkpointing during recovery is enabled, the same tests
> automatically cover recovery-phase checkpoint scenarios.
> h2. Affected ITCases
> * UnalignedCheckpointRescaleITCase
> * UnalignedCheckpointRescaleWithMixedExchangesITCase
> * UnalignedCheckpointITCase
> * UnalignedCheckpointCompatibilityITCase
> * UnalignedCheckpointStressITCase
> * UnalignedCheckpointFailureHandlingITCase
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