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JR28838: DB2 CLI DRIVER PERFORMS SLOWLY WHEN ASYNC_ENABLE IS USED

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • When running a CLI/ODBC based application with the CLI statement
    attribute SQL_ATTR_ASYNC_ENABLE turned on, the performance may
    be much slower than expected.  This APAR will improve the
    performance of Asynchronous statements to an acceptable manner.
    

Local fix

  • Turn SQL_ATTR_ASYNC_ENABLE off in the application or use the db2
    cli.ini keyword/value pair:  ASYNCENABLE=0
    

Problem summary

  • Users Affected:  CLI/ODBC applications.
    Problem Description:  Using SQL_ATTR_ASYNC_ENABLE can cause
    slower than expected performance.
    

Problem conclusion

  • First fixed in DB2 UDB Version 9.1, Fixpak 6
    

Temporary fix

Comments

APAR Information

  • APAR number

    JR28838

  • Reported component name

    DB2 CPE WINDOWS

  • Reported component ID

    5724B5601

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2008-03-28

  • Closed date

    2008-11-03

  • Last modified date

    2008-11-03

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

    JR28837

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

Fix information

  • Fixed component name

    DB2 CPE WINDOWS

  • Fixed component ID

    5724B5601

Applicable component levels

  • R910 PSN

       UP

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"910"}]

Document Information

Modified date:
07 October 2021