March 2004
Intermediate to advanced
440 pages
11h 46m
English
book
DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
by Whei-Jen Chen, Peter Z He, Kang Yong Ying, Andreas Paulsen, Sunminder S Saini
Content preview from DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
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188 DB2 UDB V8 and WebSphere V5 Performance Tuning and Operations Guide
6.2.4 PMI request metrics
PMI request metrics is a facility introduced in WebSphere Application Server V5
for providing response-time information for the major services used by a request
as it moves through application servers. A PMI request metrics record is created
while a response to a request is being generated. It contains information about
the request, such as its type, URI, invoked bean method, client origin, etc., and
the time spent responding by major WebSphere services. Metrics are produced
at the Web and EJB container level and are measured from the time the request
enters the container to the time a response is provided.
The request metrics component is desig ...
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