[jira] [Commented] (SPARK-32011) Remove warnings about pin-thread modes and guide collectWithJobGroups for now

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-32011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17138013#comment-17138013 ] 

Apache Spark commented on SPARK-32011:
--------------------------------------

User 'HyukjinKwon' has created a pull request for this issue:
https://github.com/apache/spark/pull/28845

> Remove warnings about pin-thread modes and guide collectWithJobGroups for now
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-32011
>                 URL: https://issues.apache.org/jira/browse/SPARK-32011
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark, Spark Core
>    Affects Versions: 3.0.0
>            Reporter: Hyukjin Kwon
>            Priority: Major
>
> Currently, it guides users to use pin-thread mode to use multiple threads. There's a thread leak issue in this mode (SPARK-32010).
> We shouldn't promote this mode in Spark 3.0 for now.



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