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Ladies and Gentlemen:
We seem to have a strange performance issue with a (seemingly) simple
BIRT report (3 tables, no charts), running within a Tomcat webapp
context, under the /QOpenSys/QIBM/ProdData/JavaVM/jdk60/32bit JVM.
The SQL queries feeding the report all execute in a fraction of a
second, and yet it's taking over 12 seconds to turn the result sets into
a web page.
We're running in a subsystem with a 4G private pool, on a box with a
977.1G system ASP. Increasing the heap size for the Tomcat server
doesn't seem to have any effect, and neither does doubling the Max
Active for the private pool. WRKSYSSTS shows:
-----DB----- ---Non-DB---
Fault Pages Fault Pages
.0 .0 9.1 34.9
for the private pool.
Any insights?
--
JHHL
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