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Comment: tinker with hive.optimize.sort.dynamic.partition's "Added In" & "Default Value" for consistency

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hive.optimize.sort.dynamic.partition
  • Default Value: falseAdded In: In true in Hive 0.13.0 and 0.13.1; false in Hive 0.1314.0 and later (HIVE-8151)
  • Added In: the default was true with HIVE-6455. In Hive 0.1413.0 the default changed to false with HIVE-81516455

When enabled, dynamic partitioning column will be globally sorted. This way we can keep only one record writer open for each partition value in the reducer thereby reducing the memory pressure on reducers.

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