[jira] [Created] (FLINK-21688) we use setIncreaseParallelism function, can cause slow flush in restore

[Shang Yuanchun (Jira)]

xiaogang zhou created FLINK-21688:
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             Summary: we use setIncreaseParallelism function, can cause slow flush in restore
                 Key: FLINK-21688
                 URL: https://issues.apache.org/jira/browse/FLINK-21688
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / State Backends
    Affects Versions: 1.11.3
            Reporter: xiaogang zhou


we use setIncreaseParallelism function, can cause slow flush in restore rescaling case. As this function limits the HIGH threads to 1.

 

Why not set the MAX jobs to 40, which will offer more flush thread to enable a fast recovery



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