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Posted to issues@flink.apache.org by "Chongchen Chen (Jira)" <ji...@apache.org> on 2019/12/13 13:11:00 UTC

[jira] [Updated] (FLINK-15249) Improve PipelinedRegions calculation with Union Set

     [ https://issues.apache.org/jira/browse/FLINK-15249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chongchen Chen updated FLINK-15249:
-----------------------------------
    Description: Union Set's Merge Set cost is O(1). current implementation is O(N). the attachment is patch.  (was: Union Set's Merge Set cost is O(1). current implementation is O(n). the attachment is patch.)

> Improve PipelinedRegions calculation with Union Set
> ---------------------------------------------------
>
>                 Key: FLINK-15249
>                 URL: https://issues.apache.org/jira/browse/FLINK-15249
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Chongchen Chen
>            Priority: Major
>         Attachments: PipelinedRegionComputeUtil.diff
>
>
> Union Set's Merge Set cost is O(1). current implementation is O(N). the attachment is patch.



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