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https://issues.apache.org/jira/browse/FLINK-31573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17757837#comment-17757837
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Qingsheng Ren commented on FLINK-31573:
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[~masteryhx] Thanks for bringing this up. I didn't see further evidence showing
the performance issues. Feel free to close it and we can reopen it if there's
any update
> Nexmark performance drops in 1.17 compared to 1.13
> --------------------------------------------------
>
> Key: FLINK-31573
> URL: https://issues.apache.org/jira/browse/FLINK-31573
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing
> Affects Versions: 1.17.0
> Reporter: Qingsheng Ren
> Priority: Critical
>
> The case was originally
> [reported|https://lists.apache.org/thread/n4x2xgcr2kb8vcbby7c6gwb22n0thwhz]
> in the voting thread of 1.17.0 RC3.
> Compared to Flink 1.13, the performance of Nexmark in 1.17.0 RC3 drops ~8% in
> query 18. Some details could be found in the [mailing
> list|https://lists.apache.org/thread/n4x2xgcr2kb8vcbby7c6gwb22n0thwhz].
> A further investigation showed that with configuration
> {{execution.checkpointing.checkpoints-after-tasks-finish.enabled}} set to
> false, the performance of 1.17 is better than 1.16.
> A fully comparison of Nexmark result between 1.16 and 1.17 is ongoing.
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