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Posted to issues@spark.apache.org by "Nick Xie (JIRA)" <ji...@apache.org> on 2015/09/02 05:02:45 UTC
[jira] [Commented] (SPARK-3655) Support sorting of values in
addition to keys (i.e. secondary sort)
[ https://issues.apache.org/jira/browse/SPARK-3655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14726658#comment-14726658 ]
Nick Xie commented on SPARK-3655:
---------------------------------
Thanks for the quick changes to rid of Ordering dependency. Since I am only using it in a specific way, through a few small hacks I was able to rid of the the entire runtime dependency on Guava.
> Support sorting of values in addition to keys (i.e. secondary sort)
> -------------------------------------------------------------------
>
> Key: SPARK-3655
> URL: https://issues.apache.org/jira/browse/SPARK-3655
> Project: Spark
> Issue Type: New Feature
> Components: Spark Core
> Affects Versions: 1.1.0, 1.2.0
> Reporter: koert kuipers
> Assignee: Koert Kuipers
>
> Now that spark has a sort based shuffle, can we expect a secondary sort soon? There are some use cases where getting a sorted iterator of values per key is helpful.
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