[jira] [Closed] (FLINK-31745) Performance regression on serializerHeavyString since April 3rd

["Piotr Nowojski (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-31745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Piotr Nowojski closed FLINK-31745.
----------------------------------
    Resolution: Not A Problem

It just restored performance back to the level from ~12th Jan probably yet another "unexplained" performance change, that has something todo with either environment, or JIT compiler, or sth like that

The suspected commit range 
{noformat}
git ls 9190ea9624..f3b63b7c96
f3b63b7c962 [2 weeks ago] [FLINK-31656][runtime][security] Obtain delegation tokens early to support external file system usage in blob server [Gabor Somogyi]
6c1ffe544e3 [9 days ago] [FLINK-31690][python] Fix KeyedCoProcessFunction to set the current key into the context [Dian Fu]
6101ad313be [10 days ago] [FLINK-31688][docs] Fix the broken links in docs for Azure Table Storage [Yuxin Tan]
9e83858c7dc [12 days ago] [FLINK-31652][k8s] Handle the deleted event in case pod is deleted during the pending phase [sunxia]
{noformat}

reveals nothing relevant in that range. 

> Performance regression on serializerHeavyString since April 3rd
> ---------------------------------------------------------------
>
>                 Key: FLINK-31745
>                 URL: https://issues.apache.org/jira/browse/FLINK-31745
>             Project: Flink
>          Issue Type: Bug
>            Reporter: Martijn Visser
>            Priority: Blocker
>             Fix For: 1.18.0
>
>
> serializerHeavyString baseline=241.682406 current_value=203.24132
> http://codespeed.dak8s.net:8000/timeline/#/?exe=1&ben=serializerHeavyString&extr=on&quarts=on&equid=off&env=2&revs=200



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