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PK82747: NEW ACCESS CONTROL CONFIG OPTION FOR LAZY CACHE INVALIDATION TO AVOID CACHE MISSES

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APAR status

  • Closed as program error.

Error description

  • new access control config option for lazy cache invalidation to
    avoid cache misses
    

Local fix

  • NA
    

Problem summary

  • Under certains circumstances large WCM role asssignments
    cause access control cache misses.
    

Problem conclusion

  • Introduced a new access control config option for lazy cache
    invalidation to avoid cache misses. To enable this function do
    the following:
    
       Set the following properties in ConfigService Resource
    Environment Provider:
       accesscontrol.rolemapoptimization.enabled=true
       accesscontrol.rolemapoptimization.resourcetype=ICM_CONTENT
       accesscontrol.rolemapoptimization.principals=all
    authenticated portal users; anonymous portal user
       accesscontrol.rolemapoptimization.principals.delimiter=;
    
       Set the following properties in CacheManagerService Resource
    Environment Provider:
    
       cacheinstance.com.ibm.wps.ac.SpecialRolesCache.shared=true
       cacheinstance.com.ibm.wps.ac.SpecialRolesCache.enabled=true
    
    cacheinstance.com.ibm.wps.ac.SpecialRolesCache.replacement=moder
    ate
    cacheinstance.com.ibm.wps.ac.SpecialRolesCache.admit-threshold=0
    
    cacheinstance.com.ibm.wps.ac.SpecialRolesCache.supportsDependenc
    ies=true
    
    cacheinstance.com.ibm.wps.ac.SpecialRolesCache.enablePushReplica
    tion=true
    
    Failing Module(s):
       Portal Access Control
    
    Affected Users:
       All Users
    
    Version Information:
        Portal Version(s): 6.0.1.3
         Pre-Requisite(s): PK80615 PK70981 PK81979 PK70917 PK61599
          Co-Requisite(s): ---
    
        Portal Version(s): 6.0.1.4
         Pre-Requisite(s): PK80615 PK70981 PK81979 PK70917
          Co-Requisite(s): ---
    
        Portal Version(s): 6.0.1.5
         Pre-Requisite(s): PK80615 PK81979
          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=PK82747&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

    PK82747

  • Reported component name

    WEBSPHERE PORTA

  • Reported component ID

    5724E7600

  • Reported release

    60G

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2009-03-18

  • Closed date

    2009-04-22

  • Last modified date

    2009-04-22

  • 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

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Document Information

Modified date:
22 April 2009