TSAM 7.2.4 slow GUI response and CPU spikes
The TSAM 7.2.4 SelfService UI pauses and gives very slow response or freezes and the CPU utilization spins out of control.
You see JAVA using 100% CPU and restarting TSAM brings the GUI back to a responsive state and CPU under control.
WebSphere 6.1 issue reported in WAS APAR IV36089: PERFORMANCE DEGRADATION WHEN DESTROYING THREADS AFTER APPLYING IZ80900
Resolving the problem
Install the WebSphere fix. You can download it from URL:
It containing the following APARs:
WAS APAR: PM82015
JDK APAR: IV36089
To verify that it was successfully installed run the command "java -version" - it should return the following result:
/opt/IBM/WebSphere/AppServer/java/bin # ./java -version
java version "1.5.0"
Java(TM) 2 Runtime Environment, Standard Edition (build pxa64devifx-
20130201 (SR13 +IV36089)) IBM J9 VM (build 2.3, J2RE 1.5.0 IBM J9 2.3
Linux amd64-64 j9vmxa6423ifx-20130201 (JIT enabled) J9VM -
20130130_136603_LHdSMr JIT - 20110916_20782_r8
GC - 20110524_AA)
JCL - 20111019
1. Make sure you use the latest updateinstaller that is provided at the above link
2. If you have more than one WAS 6.1 installed you need to update each one of them to the correct version