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PM78538: TCP.TIMER HANDLING IS CAUSING HIGH CPU USAGE CALLING SVC B WHEN RUNNING WITH HOURGLASS PRODUCT IN TEST.

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APAR status

  • Closed as program error.

Error description

  • Error Description
Connect:Direct z/OS 4.8.02
TCP.TIMER handling is causing high CPU usage calling SVC B when
running with HourGlass product in test environment.
A significant increase of CPU usage in Hour Class
environment will be seen.

Local fix

  • STRRTC - 349849
MM/MM
Circumvention:  Run without HourGlass.

Problem summary

  • ****************************************************************
* USERS AFFECTED: All users of Sterling Connect:Direct V5.1.x  *
****************************************************************
* PROBLEM DESCRIPTION: TCP.TIMER HANDLING IS CAUSING HIGH CPU  *
*                      USAGE CALLING SVC B AND PC TIME FOR     *
*                      EVERY DISPATCHED TCB                    *
****************************************************************
* RECOMMENDATION: Apply this maintenance.                      *
****************************************************************
TCP.TIMER HANDLING IS CAUSING HIGH CPU USAGE CALLING SVC B AND
 PC TIME FOR EVERY DISPATCHED TCB

Problem conclusion

  • TCP.TIMER HANDLING IS CAUSING HIGH CPU USAGE CALLING SVC B AND
 PC TIME FOR EVERY DISPATCHED TCB

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PM78538
    • 

  • Reported component name
    STR CD FOR Z/OS
    • 

  • Reported component ID
    5655X0100
    • 

  • Reported release
    510
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-12-05
    • 

  • Closed date
    2012-12-10
    • 

  • Last modified date
    2013-01-02
    • 





    

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

    
PM77633
    

    • 

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

    
UK90214
    

    • 



Modules/Macros


    

  • DGADCLSV DGADDIPE DGADSSEL

    



Fix information


    

  • Fixed component name
    STR CD FOR Z/OS
    • 

  • Fixed component ID
    5655X0100
    • 



Applicable component levels


    

  • R510  PSY  UK90214
       UP12/12/13  P  F212
    • 



Fix is available


    

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              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS4PJT","label":"IBM Sterling Connect:Direct"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.1","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19M","label":"APARs - z\/OS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.1","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            02 January 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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