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IC78467: PERFORMANCE CAN BE SUB-OPTIMAL FOR LONG RUNNING TRANSACTIONS WITH LARGE NUMBER OF LOCKS (MILLIONS)

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • This APAR will improve lock handling in long running
    transactions with large number of locks (millions) when the
    following conditions met:
    
    - It is a long running transaction with large number of locks
    (millions).
    - There are lots of compilations during the transaction where
    the compilations do not acquire catalog locks, such as queries
    referencing only Declared Global Temporary Tables
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 9.7 Fixpak 6                                  *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 9.7 Fixpak 6
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC78467

  • 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

    2011-09-02

  • Closed date

    2012-11-13

  • Last modified date

    2012-11-13

  • 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 PSY

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC78467

Modified date: 13 November 2012