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https://issues.apache.org/jira/browse/FLINK-16001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiayi Liao closed FLINK-16001.
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Resolution: Not A Problem
> Avoid using Java Streams in construction of ExecutionGraph
> ----------------------------------------------------------
>
> Key: FLINK-16001
> URL: https://issues.apache.org/jira/browse/FLINK-16001
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.10.0
> Reporter: Jiayi Liao
> Priority: Major
> Attachments: benchmark.csv
>
>
> I think we should avoid {{Java Streams}} in construction of
> {{ExecutionGraph}} like function {{toPipelinedRegionsSet}} in
> {{PipelinedRegionComputeUtil}} because the job submission is definitely
> performance sensitive, especially when {{distinctRegions}} has a large
> cardinality.
> Also includes some other places in package
> {{org.apache.flink.runtime.executiongraph}}
> cc [~trohrmann] [~gjy] [~zhuzh]
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