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https://issues.apache.org/jira/browse/FLINK-25704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17485174#comment-17485174
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Piotr Nowojski commented on FLINK-25704:
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Changes to the settings merged to flink-benchmark master as 5e5b35b
> Performance regression on 18.01.2022 in batch network benchmarks
> ----------------------------------------------------------------
>
> Key: FLINK-25704
> URL: https://issues.apache.org/jira/browse/FLINK-25704
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Network
> Affects Versions: 1.15.0
> Reporter: Piotr Nowojski
> Assignee: Yingjie Cao
> Priority: Critical
> Labels: pull-request-available
>
> http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=compressedFilePartition&env=2&revs=200&equid=off&quarts=on&extr=on
> http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=uncompressedFilePartition&env=2&revs=200&equid=off&quarts=on&extr=on
> http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=uncompressedMmapPartition&env=2&revs=200&equid=off&quarts=on&extr=on
> Suspected range:
> {code}
> git ls eeec246677..f5c99c6f26
> f5c99c6f26 [5 weeks ago] [FLINK-17321][table] Add support casting of map to
> map and multiset to multiset [Sergey Nuyanzin]
> 745cfec705 [24 hours ago] [hotfix][table-common] Fix InternalDataUtils for
> MapData tests [Timo Walther]
> ed699b6ee6 [6 days ago] [FLINK-25637][network] Make sort-shuffle the default
> shuffle implementation for batch jobs [kevin.cyj]
> 4275525fed [6 days ago] [FLINK-25638][network] Increase the default write
> buffer size of sort-shuffle to 16M [kevin.cyj]
> e1878fb899 [6 days ago] [FLINK-25639][network] Increase the default read
> buffer size of sort-shuffle to 64M [kevin.cyj]
> {code}
> It looks [~kevin.cyj], that most likely your change has caused that?
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