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https://issues.apache.org/jira/browse/FLINK-23560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17392994#comment-17392994
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Piotr Nowojski commented on FLINK-23560:
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Great analysis and good find [~akalashnikov].
{quote}
In general, it means that currently, our benchmarks are not so relevant because
in real cases we usually use the checkpoint or timeService which weren't used
for these benchmarks.
{quote}
This is not true for batch jobs, where are no timers and checkpointing is
disabled. In those cases performance drop caught by this JIRA ticket would have
been visible to the users. But indeed we can:
{quote}
But also we can turn off the feature from FLINK-23452 for sources(input gates
== 0) because, in fact, the calculation of the throughput for sources doesn't
make sense.
{quote}
as this should solve the problem.
> Performance regression on 29.07.2021
> ------------------------------------
>
> Key: FLINK-23560
> URL: https://issues.apache.org/jira/browse/FLINK-23560
> Project: Flink
> Issue Type: Bug
> Components: Benchmarks
> Affects Versions: 1.14.0
> Reporter: Piotr Nowojski
> Assignee: Anton Kalashnikov
> Priority: Blocker
> Labels: pull-request-available
> Fix For: 1.14.0
>
> Attachments: Screenshot 2021-07-30 at 15.46.54.png
>
>
> http://codespeed.dak8s.net:8000/timeline/?ben=remoteFilePartition&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=uncompressedMmapPartition&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=compressedFilePartition&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=tupleKeyBy&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=arrayKeyBy&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=uncompressedFilePartition&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=sortedTwoInput&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=sortedMultiInput&env=2
> http://codespeed.dak8s.net:8000/timeline/?ben=globalWindow&env=2
> (And potentially other benchmarks)
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