[jira] [Created] (FLINK-5246) Don't discard unknown checkpoint messages in the CheckpointCoordinator

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-5246:
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             Summary: Don't discard unknown checkpoint messages in the CheckpointCoordinator
                 Key: FLINK-5246
                 URL: https://issues.apache.org/jira/browse/FLINK-5246
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
    Affects Versions: 1.1.4
            Reporter: Till Rohrmann
            Assignee: Till Rohrmann
             Fix For: 1.1.4


The delicate interplay of the {{CheckpointCoordinator}} and the {{SavepointCoordinator}} requires that unknown checkpoint messages are not discarded but given to the other coordinator. If both coordinator don't accept the checkpoint message, then the associated state will be discarded by the {{JobManager}}.



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