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IZ86111: PERF SUFFERS WHEN PROCS SHARING THE SAME SEGS ALL EXIT AT ONCE APPLIES TO AIX 7100-00

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APAR status

  • Closed as program error.

Error description

  • An occasional performance problem when many related processes
are exiting at the same time.

Local fix

  • 



Problem summary


    

  • An occasional performance problem when many related processes
are exiting at the same time.

    



Problem conclusion


    

  • Use pre-locking based on sidx modulus to reduce contention
for the scb locks.

    



Temporary fix


    

  • 



Comments


    

  • 6100-03 - use AIX APAR IZ83819
6100-04 - use AIX APAR IZ84056
6100-05 - use AIX APAR IZ83886
6100-06 - use AIX APAR IZ81368
6100-06 - use AIX APAR IZ81964
7100-00 - use AIX APAR IZ86111

    



APAR Information




    

  • APAR number
    IZ86111
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2010-10-01
    • 

  • Closed date
    2010-10-01
    • 

  • Last modified date
    2013-03-29
    • 





    

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

    
IZ81368
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U833014
       UP11/05/12  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            29 March 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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