[
https://issues.apache.org/jira/browse/SPARK-11708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Hyukjin Kwon resolved SPARK-11708.
----------------------------------
Resolution: Incomplete
> 20-25% performance regression in TeraSort
> -----------------------------------------
>
> Key: SPARK-11708
> URL: https://issues.apache.org/jira/browse/SPARK-11708
> Project: Spark
> Issue Type: Bug
> Components: Shuffle
> Affects Versions: 1.6.0
> Reporter: Nishkam Ravi
> Priority: Major
> Labels: bulk-closed
>
> There is a 20-25% performance regression for TeraSort variant with hash-based
> shuffle. This was introduced by 'remove hash file shuffle consolidation' on
> Sept 18th. Hash-based shuffle is faster than sort-based shuffle for some of
> our workloads including this one. cc [~joshrosen]
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
