GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/8012
[SPARK-9700] Pick default page size more intelligently.
Previously, we use 64MB as the default page size, which was way too big for
a lot of Spark applications (especially for single node).
This patch changes it so that the default page size, if unset by the user,
is determined by the number of cores available and the total execution memory
available.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark pagesize
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8012.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 #8012
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commit 9809e3792203a70df150b9c31c9f98c5f37e1106
Author: Reynold Xin <[email protected]>
Date: 2015-08-06T22:39:43Z
[SPARK-9700] Pick default page size more intelligently.
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