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https://issues.apache.org/jira/browse/FLINK-19086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17186657#comment-17186657
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Roman Khachatryan commented on FLINK-19086:
-------------------------------------------
However, the "old" machine still gives better results for older commit than for
a newer:
{code:java}
642d4fe48c (Aug 26)
"Benchmark","Mode","Threads","Samples","Score","Score Error (99.9%)","Unit"
"org.apache.flink.benchmark.WindowBenchmarks.globalWindow","thrpt",1,30,7484.147160,418.570329,"ops/ms"
"org.apache.flink.benchmark.WindowBenchmarks.sessionWindow","thrpt",1,30,921.140648,5.433683,"ops/ms"
"org.apache.flink.benchmark.WindowBenchmarks.slidingWindow","thrpt",1,30,791.730208,4.176828,"ops/ms"
"org.apache.flink.benchmark.WindowBenchmarks.tumblingWindow","thrpt",1,30,4539.169233,105.467920,"ops/ms"
278d2a043 (Aug 28)
"org.apache.flink.benchmark.WindowBenchmarks.globalWindow","thrpt",1,30,7117.974175,202.626669,"ops/ms",,,,
"org.apache.flink.benchmark.WindowBenchmarks.sessionWindow","thrpt",1,30,905.537850,2.796048,"ops/ms",,,,
"org.apache.flink.benchmark.WindowBenchmarks.slidingWindow","thrpt",1,30,788.335585,5.004561,"ops/ms",,,,
"org.apache.flink.benchmark.WindowBenchmarks.tumblingWindow","thrpt",1,30,4303.568852,85.755644,"ops/ms",,,,
{code}
> Performance regressin 2020-08-28 in globalWindow benchmark
> ----------------------------------------------------------
>
> Key: FLINK-19086
> URL: https://issues.apache.org/jira/browse/FLINK-19086
> Project: Flink
> Issue Type: Bug
> Components: Benchmarks, Runtime / Task
> Affects Versions: 1.12.0
> Reporter: Roman Khachatryan
> Assignee: Roman Khachatryan
> Priority: Major
> Attachments: Screenshot_2020-08-28_09-58-31.png
>
>
> [http://codespeed.dak8s.net:8000/timeline/?ben=globalWindow&env=2]
> [http://codespeed.dak8s.net:8000/timeline/#/?exe=1,3&ben=tumblingWindow&env=2&revs=200&equid=off&quarts=on&extr=on]
>
> The results started to decrease 2 days before decomissioning of an old
> jenkins node.
> The other tests, however, were stable.
>
> cc: [~pnowojski]
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