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https://issues.apache.org/jira/browse/SPARK-3655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14711668#comment-14711668
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Koert Kuipers commented on SPARK-3655:
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oh, thats no good i am using guava without even declaring a dependency...

let me see if there is an alternative to using guava for this




> 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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