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| author | Yin Huai <yhuai@databricks.com> | 2015-11-06 11:13:51 -0800 |
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| committer | Yin Huai <yhuai@databricks.com> | 2015-11-06 11:13:51 -0800 |
| commit | 8211aab0793cf64202b99be4f31bb8a9ae77050d (patch) | |
| tree | 52472ec5354ce3ede17f0060fac3750f9f7cacf0 /repl | |
| parent | c048929c6a9f7ce57f384037cd6c0bf5751c447a (diff) | |
| download | spark-8211aab0793cf64202b99be4f31bb8a9ae77050d.tar.gz spark-8211aab0793cf64202b99be4f31bb8a9ae77050d.tar.bz2 spark-8211aab0793cf64202b99be4f31bb8a9ae77050d.zip | |
[SPARK-9858][SQL] Add an ExchangeCoordinator to estimate the number of post-shuffle partitions for aggregates and joins (follow-up)
https://issues.apache.org/jira/browse/SPARK-9858
This PR is the follow-up work of https://github.com/apache/spark/pull/9276. It addresses JoshRosen's comments.
Author: Yin Huai <yhuai@databricks.com>
Closes #9453 from yhuai/numReducer-followUp.
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