GitHub user navis opened a pull request:
https://github.com/apache/spark/pull/6488
[SPARK-7936] [SQL] Add configuration for initial size of hash for
aggregation and limit
Added two configuration
1. spark.sql.aggregation.hash.initSize : initialize size of hash. Applied
to both(final, partial) aggregation
2. spark.sql.partial.aggregation.maxEntry : max size of hash for partial
aggregation. should not be used for final aggregation
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/navis/spark SPARK-7936
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6488.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 #6488
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commit 77d650c71afb9dc43cec7ab15e43d8377b315785
Author: navis.ryu <[email protected]>
Date: 2015-05-29T06:14:25Z
[SPARK-7936] [SQL] Add configuration for initial size of hash for
aggregation and limit
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