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https://issues.apache.org/jira/browse/FLINK-35215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840259#comment-17840259
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Kenneth William Krugler commented on FLINK-35215:
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Hi [~fanrui] - I haven't been following how Flink determines the severity &
nature of performance regressions, but labeling this a Blocker Bug seems...odd
to me. The speedtest I looked at showed a delta that was close to normal
fluctuations in performance results.
> The performance of serializerKryo and serializerKryoWithoutRegistration are
> regressed
> -------------------------------------------------------------------------------------
>
> Key: FLINK-35215
> URL: https://issues.apache.org/jira/browse/FLINK-35215
> Project: Flink
> Issue Type: Bug
> Components: API / Type Serialization System
> Affects Versions: 1.20.0
> Reporter: Rui Fan
> Priority: Blocker
>
> The performance of serializerKryo and serializerKryoWithoutRegistration are
> regressed[1][2], I checked recent commits, and found FLINK-34954 changed
> related logic.
>
> [1]
> [http://flink-speed.xyz/timeline/#/?exe=1,6,12&ben=serializerKryo&extr=on&quarts=on&equid=off&env=3&revs=50]
> [2]
> http://flink-speed.xyz/timeline/#/?exe=1,6,12&ben=serializerKryoWithoutRegistration&extr=on&quarts=on&equid=off&env=3&revs=50
>
>
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