[jira] [Updated] (FLINK-39140) Enhance Unaligned Checkpoint ITCases to perform checkpointing during recovery

["Rui Fan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-39140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rui Fan updated FLINK-39140:
----------------------------
    Fix Version/s: 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
>             Fix For: jdbc-3.4.0
>
>
> 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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