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https://issues.apache.org/jira/browse/SPARK-33842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17251923#comment-17251923
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Apache Spark commented on SPARK-33842:
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User 'yaooqinn' has created a pull request for this issue:
https://github.com/apache/spark/pull/30844
> Add spark.shuffle.io.sessionTimeout to check a established connnection for
> being idled or dead
> ----------------------------------------------------------------------------------------------
>
> Key: SPARK-33842
> URL: https://issues.apache.org/jira/browse/SPARK-33842
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0
> Reporter: Kent Yao
> Priority: Major
>
> We have spark.shuffle.io.connectionTimeout for timeout checking when shuffle
> clients establish connections with shuffle servers. We also use it to check
> the established connection is idled or dead too. If we want a connection that
> can keep alive for a long time, we may increase the blocking time to create a
> shuffle client if the server is busy at that time.
> In practice, we always use connection timeout and session timeout to control
> these two different phases.
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