IBM Support

LI74970: ENABLING REGISTRY VARIABLE DB2_EXTENDED_OPTIMIZATION=IXOR UNDER THE DB2_WORKLOAD=SAP AGGREGATED REGISTRY VARIABLE.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • For SAP applications, we recommend to set
    DB2_EXTENDED_OPTIMIZATION=IXOR registry variable to performance
    enhancement.  This is going to be enabled under the aggreated
    registry variable DB2_WORKLOAD=SAP in v91FP9, v95FP6, v97FP2 and
    later releases.
    

Local fix

  • You may turn on the registry variable
    DB2_EXTENDED_OPTIMIZATION=IXOR by itself.
    db2set DB2_EXTENDED_OPTIMIZATION=IXOR
    

Problem summary

  • Users affected: All
    
    Problem description:
    
    For SAP applications, we recommend to set
    
    DB2_EXTENDED_OPTIMIZATION=IXOR registry variable to performance
    enhancement.  This is going to be enabled under the aggreated
    registry variable DB2_WORKLOAD=SAP in v91FP9, v95FP6, v97FP2 and
    later releases.
    
    LOCAL FIX:
    You may turn on the registry variable
    DB2_EXTENDED_OPTIMIZATION=IXOR by itself.
    db2set DB2_EXTENDED_OPTIMIZATION=IXOR
    

Problem conclusion

  • Problem was first fixed in Version 9.5 Fix Pack 6
    

Temporary fix

Comments

APAR Information

  • APAR number

    LI74970

  • Reported component name

    DB2 UDE ESE LIN

  • Reported component ID

    5765F4104

  • Reported release

    950

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-10-29

  • Closed date

    2010-10-13

  • Last modified date

    2010-10-13

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    LI74972 IC64199

Fix information

  • Fixed component name

    DB2 UDE ESE LIN

  • Fixed component ID

    5765F4104

Applicable component levels

  • R950 PSY

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"950","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
13 October 2010