PM36518: IMPROVE PERFORMANCE IN HTTP SESSION REQUEST BY REMOVING SYNCHRONIZATION.

PM37461; 7.1.0.2: FIX THREAD SAFETY ISSUE WHEN RUNNING SAME QUERY CONCURRENTLY

APAR status

• Closed as program error.

Error description

• The use of internal data structure 'HashTreeMap' was not
  neccessary in this case.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All WebSphere eXtreme Scale users that use  *
  *                  HTTP session support.                       *
  ****************************************************************
  * PROBLEM DESCRIPTION: Unnecessary Java code is affecting      *
  *                      the performance of HTTP session         *
  *                      requests.                               *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The internal HashTreeMap data structure was removed
  and replaced by a non-synchronized implementation to improve
  performance.
  

Problem conclusion

• The solution will be provided in a future cumulative fix.
  

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

  XD EXTREME SCAL

• Fixed component ID

  5724J3402

Applicable component levels

• R710 PSY

     UP