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  1. Hive
  2. HIVE-7926 long-lived daemons for query fragment execution, I/O and caching
  3. HIVE-10174

LLAP: ORC MemoryManager is singleton synchronized

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    • Sub-task
    • Status: Resolved
    • Major
    • Resolution: Done
    • llap
    • None
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    Description

      ORC MemoryManager::addedRow() checks are bad for LLAP multi-threaded performance.


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        1. orc-memorymanager-2.png
          37 kB
          Gopal Vijayaraghavan
        2. orc-memorymanager-1.png
          21 kB
          Gopal Vijayaraghavan

        Issue Links

          is part of

          Bug - A problem which impairs or prevents the functions of the product. HIVE-10191 ORC: Cleanup writer per-row synchronization

          • Major - Major loss of function.
          • Closed

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              gopalv Gopal Vijayaraghavan
              gopalv Gopal Vijayaraghavan
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              Dates

                Created:
                Updated:
                Resolved: