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IC81075: Using array type variables in SMP mode may cause memory leak

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Using array type variables in a DB2 instance that has SMP turned
    on may cause memory leak.
    The memory leak happens during the execution time when the array
    type variables are processed.
    

Local fix

  • Turning SMP mode off by issuing the following command
    
    db2 update database manager configuration using intra_parallel
    no
    
    and restart the DB2 instance.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * SMP                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * Using array type variables in a DB2 instance that has SMP    *
    * turned                                                       *
    * on may cause memory leak.                                    *
    * The memory leak happens during the execution time when the   *
    * array                                                        *
    * type variables are processed.                                *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Switch Intra_parallel off or apply this fix.                 *
    ****************************************************************
    

Problem conclusion

  • Using array type variables in a DB2 instance that has SMP turned
    on may cause memory leak.
    The memory leak happens during the execution time when the array
    type variables are processed.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC81075

  • 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

    2012-01-27

  • Closed date

    2012-06-05

  • Last modified date

    2012-06-05

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

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

    IC84289

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 #: IC81075

Modified date: 05 June 2012