GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/1781
[SPARK-2503] Lower shuffle output buffer (spark.shuffle.file.buffer.kb) to
32KB.
This can substantially reduce memory usage during shuffle.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark
SPARK-2503-spark.shuffle.file.buffer.kb
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/1781.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 #1781
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commit 1b8f72b387c10d53b54ae3a2e7eb6b9b72f14d36
Author: Reynold Xin <[email protected]>
Date: 2014-08-05T06:06:02Z
[SPARK-2503] Lower shuffle output buffer (spark.shuffle.file.buffer.kb) to
32KB.
This can substantially reduce memory usage during shuffle.
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