GitHub user marmbrus opened a pull request:
https://github.com/apache/spark/pull/3268
[SPARK-4410][SQL] Add support for external sort
Adds a new operator that uses Spark's `ExternalSort` class. It is off by
default now, but we might consider making it the default if benchmarks show
that it does not regress performance.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/marmbrus/spark externalSort
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/3268.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 #3268
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commit 8b94280bc8d67ca109078876d605f1f0192b623e
Author: Michael Armbrust <[email protected]>
Date: 2014-11-14T19:22:10Z
Add support for external sort.
commit 82b787ab15808bd6eef3b77afd4b647c51786dd5
Author: Michael Armbrust <[email protected]>
Date: 2014-11-14T19:32:18Z
Add test
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