PM80779: ACCESS DB PERFORMANCE IMPROVEMENT

A fix is available

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You can track all active APARs for this component.

APAR status

  • Closed as new function.

Error description

  • ACCESS DB PERFORMANCE IMPROVEMENT
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of ACCESS DATABASE command on DB2  *
    *                 DB2 10 for zOS.                              *
    ****************************************************************
    * PROBLEM DESCRIPTION: -ACCESS DATABASE command processes      *
    *                      work serially, causing long running     *
    *                      times for this command.                 *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    -ACCESS DATABASE is used to open datasets for use by DB2 and
    to remove objects from group buffer pools. All this work is
    performed serially, causing long running time for this command.
    Running -ACCESS DATABASE work in parallel will improve the
    running time of the command.
    

Problem conclusion

Temporary fix

Comments

  • DB2 will use internal threads to execute -ACCESS DATABASE
    command in parallel.
    

APAR Information

  • APAR number

    PM80779

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    A10

  • Status

    CLOSED UR1

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-01-16

  • Closed date

    2013-06-24

  • Last modified date

    2013-07-17

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

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

    UK95407

Modules/Macros

  •    DSNIIEPL DSNILSTS DSNTSTRT
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.



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Document information


More support for:

DB2 for z/OS

Software version:

A10

Reference #:

PM80779

Modified date:

2013-07-17

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