You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2016/09/08 16:47:20 UTC
[jira] [Commented] (SPARK-17447) performance improvement in
Partitioner.DefaultPartitioner
[ https://issues.apache.org/jira/browse/SPARK-17447?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15474375#comment-15474375 ]
Sean Owen commented on SPARK-17447:
-----------------------------------
Why don't they need to be sorted?
> performance improvement in Partitioner.DefaultPartitioner
> ----------------------------------------------------------
>
> Key: SPARK-17447
> URL: https://issues.apache.org/jira/browse/SPARK-17447
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.0.0
> Reporter: WangJianfei
> Labels: performance
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> if there are many rdds in some situations,the sort will loss he performance servely,actually we needn't sort the rdds , we can just scan the rdds one time to gain the same goal.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org