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3135386 - Failed to increase the value of 'max async I/Os per engine' in HP


When trying to configure the 'max async I/Os per engine' parameter with bigger than default value, the config value and run value shows less than default value.

  • sp_configure "max async i/os per engine", 8192
    --no errors happen
  • sp_configure "max async i/os per engine"
    go  --results show
    Parameter Name                     Default     Memory Used   Config Value   Run Value    Unit       Type
    max async i/os per engine        5000        0                     4992             4992           number  static



  • SAP Adaptive Server Enterprise (ASE)
  • HP-UX on IA64 64bit


SAP Adaptive Server Enterprise 15.7 ; SAP Adaptive Server Enterprise 16.0


MAX_CONCURRENT, /usr/include/sio/async.h , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To

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