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Comment: add hive.hadoop.supports.splittable.combineinputformat (invented the description)

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How many threads ORC should use to create splits in parallel.

 

hive.hadoop.supports.splittable.combineinputformat
  • Default Value: false
  • Added In: Hive 0.6.0
 

Whether to combine small input files so that fewer mappers are spawned.

hive.map.aggr
  • Default Value: true in Hive 0.3 and later; false in Hive 0.2
  • Added In: Hive 0.2.0

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