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  1. Hive
  2. HIVE-7926 long-lived daemons for query fragment execution, I/O and caching
  3. HIVE-10170

LLAP: general cache deadlock avoidance

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    • Sub-task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • llap
    • None

    Description

      See HIVE-10092. Even with improved locking it's good to have cache bypass that will prevent deadlocks where everyone locked part of their split, cannot yet release anything and cannot read any more, under very high load.

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            sershe Sergey Shelukhin
            sershe Sergey Shelukhin
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              Created:
              Updated: