[jira] [Created] (FLINK-16017) Improve attachJobGraph Performance

[Shang Yuanchun (Jira)]

Jiayi Liao created FLINK-16017:
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             Summary: Improve attachJobGraph Performance
                 Key: FLINK-16017
                 URL: https://issues.apache.org/jira/browse/FLINK-16017
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Coordination
    Affects Versions: 1.10.0
            Reporter: Jiayi Liao


Currently {{RegionPartitionReleaseStrategy}} and {{AdaptedRestartPipelinedRegionStrategyNG}} both need to compute distinct pipelined regions, which affects the performance due to the duplicate calculating.

The best idea that comes to my mind so far is calculating distinct pipelined regions in {{DefaultExecutionTopology}} so that we can remove the duplicate calculating.





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