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https://issues.apache.org/jira/browse/FLINK-18684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Roman Khachatryan closed FLINK-18684.
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Resolution: Won't Fix
> Performance regression around 2020.07.22 in serialization
> ---------------------------------------------------------
>
> Key: FLINK-18684
> URL: https://issues.apache.org/jira/browse/FLINK-18684
> Project: Flink
> Issue Type: Bug
> Components: Benchmarks
> Affects Versions: 1.12.0
> Reporter: Roman Khachatryan
> Assignee: Roman Khachatryan
> Priority: Major
>
> {quote}Performance regression
> [serializerHeavyString|http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=serializerHeavyString&env=2&revs=200&equid=off&quarts=on&extr=on]:
> median=242, last=203, dev=39, median of last 10=203, trend change: -17,
> median dev=4, ratio=9, threshold=6
> [serializerKryo|http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=serializerKryo&env=2&revs=200&equid=off&quarts=on&extr=on]:
> median=245, last=206, dev=39, median of last 10=222, trend change: -10,
> median dev=5, ratio=7, threshold=6
> [serializerPojo|http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=serializerPojo&env=2&revs=200&equid=off&quarts=on&extr=on]:
> median=640, last=605, dev=35, median of last 10=595, trend change: -8,
> median dev=23, ratio=1, threshold=6
> [serializerRow|http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=serializerRow&env=2&revs=200&equid=off&quarts=on&extr=on]:
> median=865, last=810, dev=55, median of last 10=820, trend change: -6,
> median dev=18, ratio=3, threshold=6
> [serializerTuple|http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=serializerTuple&env=2&revs=200&equid=off&quarts=on&extr=on]:
> median=1009, last=958, dev=51, median of last 10=968, trend change: -5,
> median dev=18, ratio=2, threshold=6{quote}
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