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https://issues.apache.org/jira/browse/FLINK-19441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17212856#comment-17212856
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Arvid Heise commented on FLINK-19441:
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[~sewen]'s PR did not fix the regression (which had a low chance anyways). I'd
now need to bisect everything and run the two benchmarks very often on my local
machine to narrow it down to a specific commit. However, I currently lack the
time. The regression itself is also quite subtle (in comparison for example the
the Avro regression). I'd decrease priority to Critical and take it into the
bug fixing phase.
Note that literally anyone could work on narrowing it down.
> Performance regression on 24.09.2020
> ------------------------------------
>
> Key: FLINK-19441
> URL: https://issues.apache.org/jira/browse/FLINK-19441
> Project: Flink
> Issue Type: Bug
> Reporter: Arvid Heise
> Assignee: Stephan Ewen
> Priority: Blocker
> Labels: pull-request-available
>
> A couple of benchmarks are showing a small performance regression on
> 24.09.2020:
> http://codespeed.dak8s.net:8000/timeline/?ben=globalWindow&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=tupleKeyBy&env=2 (?)
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