Name | Description | Type | Package | Framework |
ReduceSinkDeDuplication | If two reducer sink operators share the same partition/sort columns and order, they can be merged. | Class | org.apache.hadoop.hive.ql.optimizer.correlation | Apache Hive |
ReduceSinkDeDuplication .AbsctractReducerReducerProc | Class | org.apache.hadoop.hive.ql.optimizer.correlation.ReduceSinkDeDuplication | Apache Hive | |