GitHub user mateiz opened a pull request:
https://github.com/apache/spark/pull/1607
SPARK-2684: Update ExternalAppendOnlyMap to take an iterator as input
This will decrease object allocation from the "update" closure used in
map.changeValue.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mateiz/spark spark-2684
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1607.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 #1607
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commit 561fc97dbbbd32c69c55c752e35f68e880f30481
Author: Matei Zaharia <[email protected]>
Date: 2014-07-27T01:47:03Z
Update ExternalAppendOnlyMap to take an iterator as input
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