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https://issues.apache.org/jira/browse/FLINK-19439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17203195#comment-17203195
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Arvid Heise commented on FLINK-19439:
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Most likely caused by https://github.com/apache/flink/pull/13450 .
> Performance regression on 24.09.2020
> ------------------------------------
>
> Key: FLINK-19439
> URL: https://issues.apache.org/jira/browse/FLINK-19439
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System, Benchmarks
> Affects Versions: 1.12.0
> Reporter: Piotr Nowojski
> Priority: Blocker
>
> A couple of benchmarks are showing a small performance regression on
> 24.09.2020:
> http://codespeed.dak8s.net:8000/timeline/?ben=serializerAvro&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=globalWindow&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=tupleKeyBy&env=2 (?)
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