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  1. Hive
  2. HIVE-24872 PTF vectorization coverage
  3. HIVE-17164

Vectorization: Support PTF (Part 2: Unbounded Support-- Turn ON by default)

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Details

    • Sub-task
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • None
    • None
    • Hive

    Description

      Add disk storage backing. Turn hive.vectorized.execution.ptf.enabled on by default.

      Add hive.vectorized.ptf.max.memory.buffering.batch.count to specify the maximum number of vectorized row batch to buffer in memory before spilling to disk.

      Add hive.vectorized.testing.reducer.batch.size parameter to have the Tez Reducer make small batches for making a lot of key group batches that cause memory buffering and disk storage backing.

      Attachments

        1. HIVE-17164.01.patch
          127 kB
          Matt McCline
        2. HIVE-17164.02.patch
          127 kB
          Matt McCline
        3. HIVE-17164.03.patch
          127 kB
          Matt McCline
        4. HIVE-17164.04.patch
          223 kB
          Matt McCline

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            mmccline Matt McCline
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