spark-instrumented-optimizer/core
liuxian 22f3d3334c [SPARK-23389][CORE] When the shuffle dependency specifies aggregation ,and dependency.mapSideCombine =false, we should be able to use serialized sorting.
## What changes were proposed in this pull request?
When the shuffle dependency specifies aggregation ,and `dependency.mapSideCombine=false`, in the map side,there is no need for aggregation and sorting, so we should be able to use serialized sorting.

## How was this patch tested?
Existing unit test

Author: liuxian <liu.xian3@zte.com.cn>

Closes #20576 from 10110346/mapsidecombine.
2018-03-01 14:28:28 +08:00
..
src [SPARK-23389][CORE] When the shuffle dependency specifies aggregation ,and dependency.mapSideCombine =false, we should be able to use serialized sorting. 2018-03-01 14:28:28 +08:00
pom.xml [SPARK-23028] Bump master branch version to 2.4.0-SNAPSHOT 2018-01-13 00:37:59 +08:00