GitHub user colorant opened a pull request:
https://github.com/apache/spark/pull/1884
Use transferTo when copy merge files in ExternalSorter
Since this is a file to file copy, using transferTo should be faster.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/colorant/spark externalSorter
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1884.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 #1884
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commit bfb496b62b068a9ade8ab16cc4a0d0e9baec76af
Author: Raymond Liu <[email protected]>
Date: 2014-08-11T04:23:16Z
Use transferTo when copy merge files in ExternalSorter
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