IBM Support

PH50238: LOW PERFORMANCE OF A QUERY TO SYSTABLEPART DURING PLAN GENERATION

A fix is available

Obtain the fix for this APAR.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Possible performance degradation during plan generation when the
application profile contains a lot of table partitions and there
are a lot of table partitions overall on the subsystem.

Local fix

  • 



Problem summary


    

  • Possible performance degradation during plan generation when
the application profile contains a lot of table partitions and
there are a lot of table partitions overall on the subsystem.

    



Problem conclusion


    

  • Apply the PTF

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PH50238
    • 

  • Reported component name
    DB2 REC EXPERT
    • 

  • Reported component ID
    5697H7400
    • 

  • Reported release
    320
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2022-10-17
    • 

  • Closed date
    2022-10-28
    • 

  • Last modified date
    2022-11-01
    • 





    

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

    • 

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

    • 



Modules/Macros


    

  • ARY@APRN ARYAGTJB ARYAGTSP ARYBBCK  ARYBBOCR ARYBDT@  ARYBIPR
ARYBIPRS ARYBSPR  ARYBSPRS ARYBVRSE ARYIVP   ARYXCCMN ARYXCDT@
ARYXCPKG ARYZAGT  ARYZDT@  ARYZQPLN

    



Fix information


    

  • Fixed component name
    DB2 REC EXPERT
    • 

  • Fixed component ID
    5697H7400
    • 



Applicable component levels


    

  • R320  PSY  UI83054
       UP22/11/01  P  F210
    • 



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.
    








      
              
                            

              

              [{"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":"3.2.0","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            01 November 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback