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PH35452: ENHANCED PERFORMANCE FOR UNLOAD FROM GLOBAL IMAGE COPIES

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

  • The CPU consumption has been reduced for unload
    that fulfill the following conditions :
    - the data is unloaded from a global image copy of a partitioned
    tablespace
    - the data is unloaded into datasets by partition
    - the unload does not specify any ORDER clause
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: Users of Db2 High Performance Unload         *
    *                 for z/OS                                     *
    ****************************************************************
    * PROBLEM DESCRIPTION: The CPU consumption has been reduced    *
    *                      for the unloads that fulfill the        *
    *                      following conditions :                  *
    *                      - the data is unloaded from a global    *
    *                      image copy of a partitioned tablespace  *
    *                      - the data is unloaded into datasets by *
    *                      partition                               *
    *                      - the unload does not specify any ORDER *
    *                      clause                                  *
    ****************************************************************
    * RECOMMENDATION: Apply the PTF                                *
    ****************************************************************
    Enhanced performance for unload from global image copies
    

Problem conclusion

  • Code has been changed to fix this problem
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH35452

  • Reported component name

    DB2 HI PERF UNL

  • Reported component ID

    5697F4400

  • Reported release

    510

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2021-03-17

  • Closed date

    2021-03-23

  • Last modified date

    2021-04-02

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

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

Modules/Macros

  • INZCHECK INZCRX10 INZCRXSM INZCRXSQ INZTPMEM INZUTILK
    

Fix information

  • Fixed component name

    DB2 HI PERF UNL

  • Fixed component ID

    5697F4400

Applicable component levels

  • R510 PSY UI74571

       UP21/03/30 P F103

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.

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSZJXP","label":"DB2 Tools for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.1.0"}]

Document Information

Modified date:
03 April 2021