JR44882: CMVC 225226 - TO AVOID USER RELATED INVALIDATIONS IN THE BASECACHE

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • The following user related cache entries are normally cached in
    the baseCache:
    
    MemberGroupsCacheCmdImpl
    ParentOrganizationCacheCmdImpl
    CommandLevelAuthorizationCacheCmdImpl
    ContextDataSerValueCacheCmdImpl
    
    These cache entries are frequently invalidated, which can be a
    performance problem, especially
    when eXtreme Scale is configured as the DynaCache service
    provider for the baseCache.
    

Local fix

Problem summary

  • USERS AFFECTED:
    Users of WebSphere Commerce version 7 with a fixpack level prior
    to 3.
    
    PROBLEM ABSTRACT:
    Need to improve performance by avoiding placing user related
    data in the baseCache servlet cache instance.
    
    BUSINESS IMPACT:
    Frequent invalidations in the baseCache can slow down queries to
    the baseCache DynaCache cache instance, causing increase
    response times for shoppers.
    
    RECOMMENDATION:
    

Problem conclusion

  • This iFix changes WebSphere Commerce so that when the
    WCUserDistributedMapCache and WCSessionDistributedMapCache
    object caches are enabled, data corresponding to the following
    commands are cached in those cache instances and not in the
    baseCache cache instance.
    
    MemberGroupsCacheCmdImpl
    ParentOrganizationCacheCmdImpl
    CommandLevelAuthorizationCacheCmdImpl
    ContextDataSerValueCacheCmdImpl
    
    This iFix also includes fixes for the following WebSphere
    Commerce version 7 fixpack 2 APARs:
    JR41545
    JR40248
    JR39857
    LI76488
    JR38932
    JR39312
    LI76485
    JR38740
    JR39838
    -------------------------------------------------------------
    The latest available maintenance information can be obtained
    from the Recommended Fixes for WebSphere Commerce technote:
    http://www.ibm.com/support/docview.wss?rs=3046&uid=swg21261296
    

Temporary fix

Comments

APAR Information

  • APAR number

    JR44882

  • Reported component name

    WC BUS EDITION

  • Reported component ID

    5724I3800

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-11-25

  • Closed date

    2013-02-05

  • Last modified date

    2013-02-05

  • 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

    WC BUS EDITION

  • Fixed component ID

    5724I3800

Applicable component levels

  • R700 PSY

       UP



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Document information


More support for:

WebSphere Commerce Enterprise

Software version:

7.0

Reference #:

JR44882

Modified date:

2013-02-05

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