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Posted to issues@flink.apache.org by "Matthias Pohl (Jira)" <ji...@apache.org> on 2022/04/04 13:52:00 UTC

[jira] [Created] (FLINK-27051) CompletedCheckpoint.DiscardObject.discard is not idempotent

Matthias Pohl created FLINK-27051:
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             Summary: CompletedCheckpoint.DiscardObject.discard is not idempotent
                 Key: FLINK-27051
                 URL: https://issues.apache.org/jira/browse/FLINK-27051
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Coordination
    Affects Versions: 1.15.0
            Reporter: Matthias Pohl


`CompletedCheckpoint.DiscardObject.discard` is not implemented in an idempotent fashion because we're losing the operatorState even in the case of a failure (see [CompletedCheckpoint:328||https://github.com/apache/flink/blob/dc419b5639f68bcb0b773763f24179dd3536d713/flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CompletedCheckpoint.java#L328]. This prevents us from retrying the deletion.



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