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Posted to dev@flink.apache.org by "Stephan Ewen (Jira)" <ji...@apache.org> on 2020/11/29 21:54:00 UTC

[jira] [Created] (FLINK-20413) Sources should add splits back in "resetSubtask()", rather than in "subtaskFailed()".

Stephan Ewen created FLINK-20413:
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             Summary: Sources should add splits back in "resetSubtask()", rather than in "subtaskFailed()".
                 Key: FLINK-20413
                 URL: https://issues.apache.org/jira/browse/FLINK-20413
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Coordination
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
             Fix For: 1.12.0


Because "subtaskFailed()" has no strong order guarantees with checkpoint completion, we need to return failed splits in "resetSubtask()" instead.

See FLINK-20396 for a detailed explanation of the race condition.



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