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PI66796: MORE DSNIRNXT TICKS FOR GWL Q97 IN QADR8 WITH 15% CPU REGRESSION

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APAR status

  • Closed as program error.

Error description

  • Performance degradation in dsnirnxt with the nex PL/X compiler

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* All users of DB2 V12 for z/OS                                *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* Small performance degradation when accessing data via table  *
* scan.                                                        *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************

    



Problem conclusion


    

  • Performance degradation rectified.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PI66796
    • 

  • Reported component name
    DB2 OS/390 & Z/
    • 

  • Reported component ID
    5740XYR00
    • 

  • Reported release
    C10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2016-08-01
    • 

  • Closed date
    2016-09-09
    • 

  • Last modified date
    2016-10-03
    • 





    

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

    • 

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

    
UI40738
    

    • 



Modules/Macros


    

  • DSNIRFNX DSNISFRL DSNIONX2 DSNIRPRE DSNIRNXT DSNIACCH DSNITDLE
DSNISFX2 DSNILREP DSNIADR  DSNISFS  DSNIOST2 DSNIRSET DSNISRID

    



Fix information


    

  • Fixed component name
    DB2 OS/390 & Z/
    • 

  • Fixed component ID
    5740XYR00
    • 



Applicable component levels


    

  • RC10  PSY  UI40738
       UP16/09/24  P  F609
    • 



Fix is available


    

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Document Information


            

            


                        

            Modified date:
            

            03 October 2016
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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