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IT03542: ROLLBACK PERFORMANCE MIGHT BE AFFECTED BY LARGE NUMBER OF DIRTY PAGES

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • If there are large number of dirty pages in buffer pools,
    ROLLBACK could be affected and has bad performance.
    The purpose of the APAR is to improve performance in such kind
    of situations.
    
    Detailed dirty page information can be retrieved by 'db2pd -db
    <dbname> -dirtypage' command, where "<dbname>" is the name of
    database.
    Please note: output of the 'db2pd -dirtypage' command could be
    huge if there are large number of dirty pages.
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users of version 9.7 on Linux, Unix and Windows          *
    * platforms.                                                   *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Update to DB2 LUW Version 9.7 Fix Pack 10 or higher levels.  *
    ****************************************************************
    

Problem conclusion

  • First fixed in DB2 LUW Version 9.7 Fix Pack 10.
    

Temporary fix

  • N/A
    

Comments

APAR Information

  • APAR number

    IT03542

  • 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

    2014-08-01

  • Closed date

    2014-11-10

  • Last modified date

    2014-11-10

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

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

    IT06420 IT06425

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 #: IT03542

Modified date: 10 November 2014