Uploaded image for project: 'HPCC'
  1. HPCC
  2. HPCC-15582

Thor performance issue with row allocator / channel cache

    XMLWordPrintable

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()

      Attachments

        Issue Links

          relates to

          Regression - A problem introduced by a previous change, which has not been included in any released version. HPCC-15489 channelsPerSlave>1 configuration with child datasets hit allocator caching issue

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved

          Activity

            People

              jakesmith Jake Smith
              mckellyln Mark Kelly
              Votes:
              0 Vote for this issue
              Watchers:
              2 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: