PQ59258: APAR FOR CUMULATIVE SESSION FIX | |||||||||||||||||||||||||||||||||||||
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APAR status Closed as program error. Error description Cummulative efix. Fixes included : -Invalidation thread wake up interval is made configurable. -Only one invalidation thread per JVM -Reduced non parameterized sql statements in invalidation path t o effectively use db2 cache. -Fixes the window of multiple reaper threads doing concurrent de letes in compatibility modeLocal fix Problem summary **************************************************************** * USERS AFFECTED: WebSphere Application Server - HttpSession * * Users * **************************************************************** * PROBLEM DESCRIPTION: The frequency of session invalidation * * and a invalidation thread per webapp * * cause performance to slow down in a * * clustered environment. * **************************************************************** * RECOMMENDATION: * **************************************************************** The frequency of session invalidation and a invalidation thread per webapp cause performance to slow down in a clustered environment.Problem conclusion This APAR contains the following fixes : - Invalidation thread wake up interval is made configurable - Only one invalidation thread per JVM - Reduces non parameterized sql statements in invalidation path to effectively use db2 cache - Fixes the window of multiple reaper threads doing concurrent deletes in compatibilty modeTemporary fix PQ54352Comments
APAR is sysrouted FROM one or more of the following: PQ54352 APAR is sysrouted TO one or more of the following: Modules/Macros
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Document Information |
Product categories: Software > Application Servers >
Distributed Application & Web Servers > WebSphere Application
Server > General
Operating system(s):
Software version: 400
Software edition:
Reference #: PQ59258
IBM Group: Software Group
Modified date: Mar 20, 2002
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