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Posted to issues@flink.apache.org by "Yun Tang (Jira)" <ji...@apache.org> on 2022/04/01 10:20:00 UTC

[jira] [Created] (FLINK-26985) With legacy restore mode, incremantal checkpoints would be deleted by mistake

Yun Tang created FLINK-26985:
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             Summary: With legacy restore mode, incremantal checkpoints would be deleted by mistake
                 Key: FLINK-26985
                 URL: https://issues.apache.org/jira/browse/FLINK-26985
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Checkpointing
    Affects Versions: 1.15.0
            Reporter: Yun Tang


Before flink-1.15, the restored checkpoint would be regsiterd and not discard on subsume, which means the restored incremental checkpoint would have one more reference counting to avoid discard.

However, after state registry refactored, we could delete artificats in the restored incremental checkpoint with legacy restore mode.

The error could be reproduced via {{ResumeCheckpointManuallyITCase#testExternalizedIncrementalRocksDBCheckpointsStandalone}} in my [local branch|https://github.com/Myasuka/flink/tree/legacy-error].



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