[
https://issues.apache.org/jira/browse/SPARK-48791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun closed SPARK-48791.
---------------------------------
> Perf regression due to accumulator registration overhead using
> CopyOnWriteArrayList
> -----------------------------------------------------------------------------------
>
> Key: SPARK-48791
> URL: https://issues.apache.org/jira/browse/SPARK-48791
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.5.1, 3.3.4, 3.4.3, 4.0.0
> Reporter: wuyi
> Assignee: wuyi
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.2, 3.4.4, 4.0.0
>
> Time Spent: 3h
> Remaining Estimate: 0h
>
> We noticed query perf regression and locate the root cause is the overhead
> introuduced when registering accumulators using CopyOnWriteArrayList.
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
