IBM Support

JR27616: PERF IMPACT FROM THE LARGE NUMBER OF SQLOWRITE CALLS

Fixes are available

DB2 Version 9.1 Fix Pack 7  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 5   for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 6   for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 6a for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 7a  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 8  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 9  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 10  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 11  for Linux, UNIX and Windows
DB2 Version 9.1 Fix Pack 12  for Linux, UNIX and Windows

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APAR status

  • Closed as program error.

Error description

  • function is writing 1 byte at a time, incurring the
perf impact from the large number of sqlowrite calls

Local fix

  • 



Problem summary


    

  • function writes 1 byte at a time, incurring the
perf impact from the large number of sqlowrite calls

Users affected: DB2 V8, DB2 V9, DB2 V95

    



Problem conclusion


    

  • First fixed in DB2 UDB Version DB2 V8 FP16

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    JR27616
    • 

  • Reported component name
    DB2 UDB ESE WIN
    • 

  • Reported component ID
    5765F4101
    • 

  • Reported release
    910
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2007-10-15
    • 

  • Closed date
    2008-06-24
    • 

  • Last modified date
    2008-06-24
    • 





    

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

    
JR27575
    

    • 

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

    
JR28750
    

    • 



Modules/Macros


    

  • engn_sqn

    



Fix information


    

  • Fixed component name
    DB2 UDB ESE WIN
    • 

  • Fixed component ID
    5765F4101
    • 



Applicable component levels


    

  • R820  PSY
       UP
    • 

  • R910  PSY
       UP
    • 

  • R950  PSY
       UP
    • 

  • R810  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
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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