[jira] [Created] (FLINK-7566) if there's only one checkpointing metadata file in <dir>, `flink run -s <dir>` should resume from that metadata file

[Shang Yuanchun (Jira)]

Bowen Li created FLINK-7566:
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             Summary: if there's only one checkpointing metadata file in <dir>, `flink run -s <dir>` should resume from that metadata file
                 Key: FLINK-7566
                 URL: https://issues.apache.org/jira/browse/FLINK-7566
             Project: Flink
          Issue Type: Improvement
          Components: Startup Shell Scripts
    Affects Versions: 1.3.2
         Environment: Currently, if we want to start a Flink job from a checkpointing file, we have to run `flink run -s <dir>/checkpoint_metadata-xxxxx` by explicitly specifying the checkpoint metadata file name 'checkpoint_metadata-xxxxx'. Since metadata file name always changes, it's not easy to programmatically restart a failed Flink job.

What I want is like this: users should be able to start a Flink job by running `flink run -s <dir>` if there's only one checkpointing metadata file in <dir>. If there's none or more than 1 metadata file, the command can fail like it is right now. This way, we can programmatically restart a failed Flink job by hardcoding <dir>
            Reporter: Bowen Li
             Fix For: 1.4.0






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