[jira] [Created] (FLINK-15568) RestartPipelinedRegionStrategy: not ensure the EXACTLY_ONCE semantics

[Shang Yuanchun (Jira)]

Andrew.D.lin created FLINK-15568:
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             Summary: RestartPipelinedRegionStrategy: not ensure the EXACTLY_ONCE semantics
                 Key: FLINK-15568
                 URL: https://issues.apache.org/jira/browse/FLINK-15568
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Checkpointing
    Affects Versions: 1.8.3, 1.8.1, 1.8.0
            Reporter: Andrew.D.lin
         Attachments: image-2020-01-13-16-40-47-888.png

!image-2020-01-13-16-40-47-888.png!

 

In 1.8* versions, FailoverRegion.java restart method  not restore from latest checkpoint and marked TODO.

Should we support this feature (region restart) in flink 1.8?



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