GitHub user xiajunluan opened a pull request:
https://github.com/apache/spark/pull/931
Fix JIRA-983 and support exteranl sort for sortByKey
Change class ExternalAppendOnlyMap and make it support customized
comparator function(not only sorted by hashCode).
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xiajunluan/spark-1 JIRA-983
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/931.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #931
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