IBM Support

PK76988: CLUSTER PERFORMANCE DEGRADATION BY PK72702 - LARGE AMOUNT OF DRS INVALIDATION MESSAGES

Fixes are available

6.1.0.2 Download: WebSphere Portal and Web Content Management V6.1, fix pack 2
6.1.0.3 Download: WebSphere Portal and WCM V6.1 fix pack 3, 6.1.5 feature pack
6.1.0.4 Download: WebSphere Portal and WCM V6.1.0 fix pack 4 & 6.1.5 fix pack 1
6.1.0.5 Download: WebSphere Portal and WCM V6.1.0 fix pack 5
6.1.0.6 Download: WebSphere Portal and WCM V6.1.0 fix pack 6

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APAR status

  • Closed as program error.

Error description

  • PK72702 introduced additional cache invalidation for public
pages that are causing invalidation loops in a cluster.

Local fix

  • 



Problem summary


    

  • PK72702 introduced additional cache invalidation for public
pages that are causing invalidation loops in a cluster.

    



Problem conclusion


    

  • The cycle causing invalidation call has been removed.

Failing Module(s):
   Engine: Page Assembly

Affected Users:
   All users

Version Information:
    Portal Version(s): 6.0.1.3
     Pre-Requisite(s): PK72702
      Co-Requisite(s): ---

    Portal Version(s): 6.0.1.4
     Pre-Requisite(s): PK72702
      Co-Requisite(s): ---

    Portal Version(s): 6.0.1.5
     Pre-Requisite(s): PK75569
      Co-Requisite(s): ---

    Portal Version(s): 6.1.0.0
     Pre-Requisite(s): PK72702
      Co-Requisite(s): ---

    Portal Version(s): 6.1.0.1
     Pre-Requisite(s): PK75569
      Co-Requisite(s): ---

Platform Specific:
   This fix applies to all platforms.

A fix is available from Fix Central:

http://www.ibm.com/eserver/support/fixes/fixcentral/swgquickorde
r?apar=PK76988&productid=WebSphere%20Portal&brandid=5

You may need to type or paste the complete address into your Web
browser.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PK76988
    • 

  • Reported component name
    WEBSPHERE PORTA
    • 

  • Reported component ID
    5724E7600
    • 

  • Reported release
    60J
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2008-12-05
    • 

  • Closed date
    2008-12-18
    • 

  • Last modified date
    2008-12-18
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    WEBSPHERE PORTA
    • 

  • Fixed component ID
    5724E7600
    • 



Applicable component levels


    

  • R60G  PSY
       UP
    • 

  • R60H  PSY
       UP
    • 

  • R60J  PSY
       UP
    • 

  • R610  PSY
       UP
    • 

  • R61A  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSHRKX","label":"WebSphere Portal"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.0.1.5","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            18 December 2008
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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