JR49998: Access control relationship evaluation can have a large memory footprint and can have poor performance.

7.0.0.9 for Developer Express
7.0.0.9 for Developer Professional
7.0.0.9 for Developer Enterprise
7.0.0-WS-WCServer-FP009

APAR status

• Closed as program error.

Error description

• When the current user of the WebSphere Commerce administration
  console has many roles in an organization that has many
  descendant organizations, a large amount of memory and CPU time
  can be used evaluating access control policies involving
  relationship evaluation.
  

Local fix

• The reduceMemory data cache setting can help reduce the data
  cache memory footprint, thus helping to avoid an out of memory
  exception.  Refer to the following document for more information
   about the reduceMemory data cache setting:
  
   http://pic.dhe.ibm.com/infocenter/wchelp/v7r0m0/topic/com.ibm.c
  ommerce.admin.doc/concepts/cdcaddcomdatcacheconfig.htm
  

Problem summary

• USERS AFFECTED:
   WebSphere Commerce customers with users who have a large number
  of roles in an organization that has a large number of
  descendant organizations.
  
   PROBLEM ABSTRACT:
   Access control relationship evaluation can have a large memory
  footprint and can have poor performance.
  
   BUSINESS IMPACT:
   Poor performance in the WebSphere Commerce administration
  console, possibly time out or out of memory exceptions.
  
   RECOMMENDATION:
  

Problem conclusion

• Performance improvements when evaluating member relationships
  for organizations with large numbers of descendant organization
  have been made.
  
   The cached result from the
  MemberRelationships.findDescendantOrganizations finder method
  has been split into multiple cache entries, each holding no more
  organizations than specified by the chunkSize data cache
  setting.  The default chunkSize value is 500.
  
   A new logical cache is defined to hold the cached result from
  the MemberRelationships.findDescendantOrganizations finder
  method.  The logical cache name is
  com.ibm.commerce.user.objsrc.MemberRelationshipsCache.ORG, and
  by default it is cached in the object cache with JNDI name
  services/cache/WCSystemDistributedMapCache.
  
   The number of descendant organization access beans held in
  memory during relationship evaluation has been limited to the
  value of the chunkSize data cache setting.
  
   Refer to the following document for details of the chunkSize
  setting in the CrossTransactionCache tag in the
  InstanceProperties tag in the wc-server.xml instance
  configuration file:
  
   http://pic.dhe.ibm.com/infocenter/wchelp/v7r0m0/topic/com.ibm.c
  ommerce.admin.doc/concepts/cdcaddcomdatcacheconfig.htm
   -------------------------------------------------------------
   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 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