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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2020/03/27 03:03:00 UTC
[jira] [Commented] (SPARK-25641) Change the
spark.shuffle.server.chunkFetchHandlerThreadsPercent default to 100
[ https://issues.apache.org/jira/browse/SPARK-25641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17068232#comment-17068232 ]
Dongjoon Hyun commented on SPARK-25641:
---------------------------------------
This commit is technically reverted via SPARK-30623 .
> Change the spark.shuffle.server.chunkFetchHandlerThreadsPercent default to 100
> ------------------------------------------------------------------------------
>
> Key: SPARK-25641
> URL: https://issues.apache.org/jira/browse/SPARK-25641
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: Sanket Reddy
> Assignee: Sanket Reddy
> Priority: Minor
> Fix For: 3.0.0
>
>
> We want to change the default percentage to 100 for spark.shuffle.server.chunkFetchHandlerThreadsPercent. The reason being
> currently this is set to 0. Which means currently if server.ioThreads > 0, the default number of threads would be 2 * #cores instead of server.io.Threads. We want the default to server.io.Threads in case this is not set at all. Also here a default of 0 would also mean 2 * #cores
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