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PH37640: MEMORY SHORTAGE WHEN RUNNING A LARGE NUMBER OF DB2 THREADS

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APAR status

  • Closed as program error.

Error description

  • Need a STAP description -  CQM stops displaying current activity
under
high load
Memory shortage when running a large number of Db2 threads
causing ADHQ12* messages to be reported.
LOGRECS SYSTEM ABEND CODE: 00C4 ABEND REASON CODE: 00000010 +0C2
 in CQCMSCLN after startup.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED: Users of IBM Security Guardium S-TAP for     *
*                 Db2 on z/OS                                  *
****************************************************************
* PROBLEM DESCRIPTION: Memory shortage when running a large    *
*                      number of Db2 threads                   *
****************************************************************
* RECOMMENDATION: Apply the PTF.                               *
****************************************************************
Memory shortage when running a large number of Db2 threads
causing ADHQ12* messages to be reported.

    



Problem conclusion


    

  • 1. Logic was changed to clear correctly memory under heavy
workloads.
2. Process correctly the unique case of DSNDB01 database.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PH37640
    • 

  • Reported component name
    SEC GUAR STAP D
    • 

  • Reported component ID
    5655STP00
    • 

  • Reported release
    B30
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2021-05-27
    • 

  • Closed date
    2021-06-15
    • 

  • Last modified date
    2022-02-24
    • 





    

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

    • 

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

    
UI75894 UI75895
    

    • 



Modules/Macros


    

  • ADH#BCMZ ADH#INIZ ADH#PARZ ADH#SSMZ

    



Fix information


    

  • Fixed component name
    SEC GUAR STAP D
    • 

  • Fixed component ID
    5655STP00
    • 



Applicable component levels


    

  • RA13  PSY  UI75894
       UP21/06/22  P  F106
    • 

  • RB30  PSY  UI75895
       UP21/06/22  P  F106
    • 



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.
    








      
              
                            

              

              [{"Line of Business":{"code":"LOB24","label":"Security Software"},"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSMPHH","label":"IBM Security Guardium"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"B30"}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            25 February 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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