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https://issues.apache.org/jira/browse/SPARK-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Reynold Xin resolved SPARK-2726.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 1.1.0

> Remove SortOrder in ShuffleDependency and HashShuffleReader
> -----------------------------------------------------------
>
>                 Key: SPARK-2726
>                 URL: https://issues.apache.org/jira/browse/SPARK-2726
>             Project: Spark
>          Issue Type: Bug
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>             Fix For: 1.1.0
>
>
> SPARK-2125 introduced a SortOrder in ShuffleDependency and HashShuffleReader. 
> However, the key ordering already includes the SortOrder information since an 
> Ordering can be reversed easily. This is similar to Java's Comparator 
> interface. Rarely does an API accept both a Comparator as well as a SortOrder.
> We should remove the SortOrder.



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