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  1. HPCC
  2. HPCC-15582

Thor performance issue with row allocator / channel cache

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 6.0.0
    • 6.0.0
    • Thor
    • None

    Description

      HPCC-15489 introduced a change which caused a large performance degradation when many channels per slave are used.
      Time / contention is now spent in:
      roxiemem::CChunkedHeap::inlineDoAllocate
      CLookupJoinActivityBase<CLookupManyHT>::nextRow()

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              jakesmith Jake Smith
              mckellyln Mark Kelly
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                Updated:
                Resolved: