GitHub user navis opened a pull request:
https://github.com/apache/spark/pull/6696
SPARK-8153 Add configuration for disabling partial aggregation in runtime
Same thing with "hive.map.aggr.hash.min.reduction" in hive, which disables
hash aggregation if it's not sufficiently decreasing the output size.
Added two configuration
- spark.sql.partial.aggregation.checkInterval
- spark.sql.partial.aggregation.minReduction
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/navis/spark SPARK-8153
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6696.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 #6696
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commit 388ea7a5e4f5ee3636a63da33ce6b6a5b7f486f9
Author: navis.ryu <[email protected]>
Date: 2015-06-08T01:32:42Z
SPARK-8153 Add configuration for disabling partial aggregation in runtime
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