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IC77103: CLI LOAD PERFORMANCE DEGRADATION DUE TO EXCESSIVE CALLS TO SQLUHSKIPFILTEREDHISTORYRECORD() FUNCTION

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Performance degradation with CLI LOAD due to excessive number of
    calls to sqluhSkipFilteredHistoryRecord() function.
    
    This problem impacts DB2 version 9.7 Fix Pack 3 and Fix Pack 4.
    In some cases, the observed degradation compared to DB2 v9.7 Fix
    Pack 2 was  14% to 22%.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All user using v9.7 FP3 or FP4                               *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See error description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 version 9.7 Fix Pack 5.                       *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 version 9.7 Fix Pack 5.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC77103

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-06-22

  • Closed date

    2011-12-08

  • Last modified date

    2011-12-08

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

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • R970 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC77103

Modified date: 08 December 2011