[jira] [Created] (FLINK-13692) Make CompletedCheckpointStore backwards compatible

[Shang Yuanchun (Jira)]

Till Rohrmann created FLINK-13692:
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             Summary: Make CompletedCheckpointStore backwards compatible
                 Key: FLINK-13692
                 URL: https://issues.apache.org/jira/browse/FLINK-13692
             Project: Flink
          Issue Type: Bug
          Components: Runtime / Checkpointing
    Affects Versions: 1.9.0, 1.10.0
            Reporter: Till Rohrmann
             Fix For: 1.9.1, 1.10.0


With FLINK-11159 we changed the signature of {{CompletedCheckpointStore#getLatestCheckpoint}} from {{getLatestCheckpoint()}} to {{getLatestCheckpoint(boolean)}}. This is an API breaking change which causes users of this interface to adapt their implementation and recompile it. Since {{CompletedCheckpointStore}} is no public API, this change is technically ok, but not so nice.

If we decide to provide backwards compatibility, then we should still keep {{getLatestCheckpoint()}} and add a deprecation annotation to it. Otherwise we should close this issue.



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