[jira] [Commented] (SPARK-25641) Change the spark.shuffle.server.chunkFetchHandlerThreadsPercent default to 100

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

    [ https://issues.apache.org/jira/browse/SPARK-25641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16638334#comment-16638334 ] 

Apache Spark commented on SPARK-25641:
--------------------------------------

User 'redsanket' has created a pull request for this issue:
https://github.com/apache/spark/pull/22628

> 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: Bug
>          Components: Spark Core
>    Affects Versions: 2.4.0
>            Reporter: Sanket Reddy
>            Priority: Minor
>
> 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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