Hive
  1. Hive
  2. HIVE-2385

Local Mode can be more aggressive if LIMIT optimization is on

    Details

    • Type: Improvement Improvement
    • Status: Closed
    • Priority: Minor Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.8.0
    • Component/s: Query Processor
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      Local mode now depends on total input data, but for LIMIT queries with no filtering, the data actually scanned can be much less and it's relatively predictable. We can place local mode more aggressively.

      1. HIVE-2385.1.patch
        6 kB
        Siying Dong
      2. HIVE-2385.2.patch
        6 kB
        Siying Dong

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          • Assignee:
            Siying Dong
            Reporter:
            Siying Dong
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            Dates

            • Created:
              Updated:
              Resolved:

              Development