Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Critical
    • Resolution: Fixed
    • Affects Version/s: Impala 2.8.0
    • Fix Version/s: Impala 2.8.0
    • Component/s: Frontend
    • Labels:

      Description

      • COMPUTE STATS on Parquet tables should be run with MT_DOP=4 by default.
      • COMPUTE STATS on non-Parquet tables will run without MT_DOP.
      • Users can always override the behavior by setting MT_DOP manually. Setting MT_DOP to 0 means a statement will be run in the conventional execution mode (without intra-node paralellism based on multiple fragment instances)

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            • Assignee:
              alex.behm Alexander Behm
              Reporter:
              alex.behm Alexander Behm
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                Updated:
                Resolved: