Versions Compared

Old Version 158

changes.mady.by.user Lefty Leverenz

Saved on

compared with

New Version 159

changes.mady.by.user Navis Ryu

Saved on

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Obsolete:  The dfs.umask value for the Hive-created folders.

hive.optimize.sampling.orderby
  • Default Value: false
  • Added In: Hive 0.12.0 with HIVE-1402

Uses sampling on order-by clause for parallel execution.

hive.optimize.sampling.orderby.number
  • Default Value: 1000
  • Added In: Hive 0.12.0 with HIVE-1402

With hive.optimize.sampling.orderby=true, total number of samples to be obtained to calculate partition keys.

hive.optimize.sampling.orderby.percent
  • Default Value: 0.1
  • Added In: Hive 0.12.0 with HIVE-1402

With hive.optimize.sampling.orderby=true, probability with which a row will be chosen.

File Formats and I/O

hive.default.fileformat

...