[jira] [Commented] (FLINK-15103) Performance regression on 3.12.2019 in various benchmarks

["Xintong Song (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-15103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17008727#comment-17008727 ] 

Xintong Song commented on FLINK-15103:
--------------------------------------

Thanks for spending time investigating the regression, [~pnowojski].

I agree with you that this should not be are real operator performance regression, but rather some sort of initialization cost changes.

+1 for closing this issue.

> Performance regression on 3.12.2019 in various benchmarks
> ---------------------------------------------------------
>
>                 Key: FLINK-15103
>                 URL: https://issues.apache.org/jira/browse/FLINK-15103
>             Project: Flink
>          Issue Type: Bug
>          Components: Benchmarks
>            Reporter: Piotr Nowojski
>            Assignee: Piotr Nowojski
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 1.10.0
>
>
> Various benchmarks show a performance regression that happened on December 3rd:
> [arrayKeyBy (probably the most easily visible)|http://codespeed.dak8s.net:8000/timeline/#/?exe=1&ben=arrayKeyBy&env=2&revs=200&equid=off&quarts=on&extr=on]
>  [tupleKeyBy|http://codespeed.dak8s.net:8000/timeline/#/?exe=1&ben=tupleKeyBy&env=2&revs=200&equid=off&quarts=on&extr=on]
>  [twoInputMapSink|http://codespeed.dak8s.net:8000/timeline/#/?exe=1&ben=twoInputMapSink&env=2&revs=200&equid=off&quarts=on&extr=on]
>  [globalWindow (small one)|http://codespeed.dak8s.net:8000/timeline/#/?exe=1&ben=globalWindow&env=2&revs=200&equid=off&quarts=on&extr=on]
>  and possible others.
> Probably somewhere between those commits: -8403fd4- 2d67ee0..60b3f2f



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