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PK81945: SLOW RESPONSE TIME AND ELONGATED TIME TO LOGON TO PRODUCT CUA LOGON MAY FAIL COMPLETELY. ALSO HIGH CPU in KO2ACONB TASKS.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Logon to the OMPE collector task may take a very long time.
    Logon to the CUA may fail to complete
    
    Dump analysis reveals that DNS lookup is taking a long time for
    each thread being analyzed. In a high volume environment this
    can lead to performance degradation.
    
    GETHOSTBYADDR
    

Local fix

  • Apply PTF when available
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
    *                 users of component:                          *
    *                 -   Classic Interface                        *
    *                 -   CUA Interface                            *
    ****************************************************************
    * PROBLEM DESCRIPTION: Missing user option to bypass Name      *
    *                      Server Lookup.  Slow response time.     *
    ****************************************************************
    * RECOMMENDATION: Apply this PTF                               *
    ****************************************************************
    PROBLEM SUMMARY:
    TCPIP domain name server lookup may cause slow classic interface
    response time and cause CUA interface timeouts.
    
    PROBLEM CONCLUSION:
    Provide new UserMod switch which may be used to disable and
    bypass the DNS lookups.  After application of the PTF, the new
    option will be documented in the TKANSAM member KO2MOD02.
    

Problem conclusion

  • Provide new UserMod switch which may be used to disable and
    bypass the DNS lookups.  After application of the PTF, the new
    option will be documented in the TKANSAM member KO2MOD02.
    
    KEYWORDS : TCPIP DOMAIN NAME SERVER LOOKUP SLOW RESPONSE TIME
               CUA  CLASSIC INTERFACE
    

Temporary fix

Comments

APAR Information

  • APAR number

    PK81945

  • Reported component name

    OM XE DB2PE/PM

  • Reported component ID

    5655OPE00

  • Reported release

    410

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-03-05

  • Closed date

    2009-03-11

  • Last modified date

    2009-05-05

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

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

    UK44773

Modules/Macros

  • KO2CDFSA KO2CDFSS KO2CDFS2 KO2CTHIA KO2CTHIS
    KO2CTHI2 KO2MOD02
    

Fix information

  • Fixed component name

    OM XE DB2PE/PM

  • Fixed component ID

    5655OPE00

Applicable component levels

  • R410 PSY UK44773

       UP09/03/12 P F903

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

Modified date:
05 May 2009