PQ61342: PERFORMANCE IMPROVEMENT FOR TRANSACTION LOGGING | |||||||||||||||||||||||||||||||||||||||
![]() |
|||||||||||||||||||||||||||||||||||||||
![]() APAR status Closed as program error. Error description Improvements to be made to transaction logging performance.Local fix Problem summary **************************************************************** * USERS AFFECTED: All WebSphere Application Server users * **************************************************************** * PROBLEM DESCRIPTION: Excessive I/O when using JTA enabled * * datasources. * **************************************************************** * RECOMMENDATION: * **************************************************************** tranLogMirrored currently causes a keypoint of the tranlog file to happen after 50 transactions, regardless of the size of the tranlog files. This can result in excessive I/O when using JTA enabled datasources.Problem conclusion tranLogMirrored will be changed to only perform a checkpoint when the transaction log is 85% full, and so the number of I/Os will be reduced.Temporary fix Comments
APAR is sysrouted FROM one or more of the following: APAR is sysrouted TO one or more of the following: Modules/Macros
SRLS
|
Document Information |
Product categories: Software > Application Servers >
Distributed Application & Web Servers > WebSphere Application
Server > General
Operating system(s):
Software version: 400
Software edition:
Reference #: PQ61342
IBM Group: Software Group
Modified date: Jul 30, 2002
(C) Copyright IBM Corporation 2000, 2006. All Rights Reserved.