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Posted to issues@flink.apache.org by "Till Rohrmann (Jira)" <ji...@apache.org> on 2020/12/03 09:07:00 UTC

[jira] [Created] (FLINK-20465) Fail globally when not resuming from the latest checkpoint in regional failover

Till Rohrmann created FLINK-20465:
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             Summary: Fail globally when not resuming from the latest checkpoint in regional failover
                 Key: FLINK-20465
                 URL: https://issues.apache.org/jira/browse/FLINK-20465
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
    Affects Versions: 1.12.0
            Reporter: Till Rohrmann
             Fix For: 1.13.0


As a follow up for FLINK-20290 we should assert that we resume from the latest checkpoint when doing a regional failover in the {{SourceCoordinators}} in order to avoid losing input splits (see FLINK-20427). If the assumption does not hold, then we should fail the job globally so that we reset the master state to a consistent view of the state. Such a behaviour can act as a safety net in case that Flink ever tries to recover from not the latest available checkpoint.

cc [~sewen], [~jqin]



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