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JR33930: ENHACEMENT TO IMPROVE STARTUP PERFORMANCE FOR JOBS INITIATED FROM SEQUENCES

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Performance improvement in ds job api. Remove  unnecessary
    access to the job log in the runtime repository.  This will
    improve startup performance for jobs initiated from sequences,
    as well as for other API users.
    

Local fix

  • This fix is included in 8.0.1 fixpack 3
    

Problem summary

  • ****************************************************************
    USERS AFFECTED:
    Problem seen in environment where there was heavy loading of
    thesystem
    ****************************************************************
    PROBLEM DESCRIPTION:
    Startup of a job from a sequence was taking much longer than
    would normally be expected.
    ****************************************************************
    RECOMMENDATION:
    Install patch if sequence tracing indicates a
    disproportionatelylong time to start up a job.
    This fix is included in 8.1 FP1.
    ****************************************************************
    

Problem conclusion

  • A query was being made on the log database during job startup;
    the results of this query were not required. Fix is to remove
    the query. With this fix, the job start time from a sequence
    under load conditions was improved.
    

Temporary fix

Comments

APAR Information

  • APAR number

    JR33930

  • Reported component name

    WIS DATASTAGE

  • Reported component ID

    5724Q36DS

  • Reported release

    801

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-08-07

  • Closed date

    2009-09-01

  • Last modified date

    2010-12-09

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

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

Modules/Macros

  • SERVER
    

Fix information

  • Fixed component name

    WIS DATASTAGE

  • Fixed component ID

    5724Q36DS

Applicable component levels

  • R801 PSY

       UP

  • R810 PSY

       UP

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Document Information

Modified date:
09 December 2010