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changes.mady.by.user Alan Gates

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changes.mady.by.user Lefty Leverenz

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Comment: link hive.optimize.sort.dynamic.partition to Configuration Properties doc

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  • Vectorization will be turned off for update operations.  This is automatic and requires no action on the part of the user.  Non-update operations are not affected.  Updated tables can still be queried using vectorization.
  • In version 0.14 it is recommended that you set hive.optimize.sort.dynamic.partition=false when doing updates, as this produces more efficient execution plans.

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  • Vectorization will be turned off for delete operations.  This is automatic and requires no action on the part of the user.  Non-delete operations are not affected.  Tables with deleted data can still be queried using vectorization.
  • In version 0.14 it is recommended that you set hiveset hive.optimize.sort.dynamic.partition=false when doing deletes, as this produces more efficient execution plans.

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