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changes.mady.by.user Lefty Leverenz

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Comment: Added hive.vectorized.execution.reducesink.new.enabled.

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This flag should be set to true to enable vectorized mode of the reduce-side GROUP BY query execution. The default value is true.

hive.vectorized.execution.reducesink.new.enabled
  • Default Value: true
  • Added In: Hive 2.0.0 with HIVE-12290

This flag should be set to true to enable the new vectorization of queries using ReduceSink.

hive.vectorized.execution.mapjoin.native.enabled
  • Default Value: true
  • Added In: Hive 1.2.0 with HIVE-9824

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For WebHCat configuration, see Configuration Variables in the WebHCat manual.