Chapter 10. Performance, scalability, and high availability 307
JVM heap size
DB2 performance configuration
Running the Performance Advisor in Tivoli Performance Viewer requires resources and can
affect performance. Use this advisor with care in production environments.
10.4.4 Request metrics in WebSphere Application Server
Performance Monitoring Infrastructure for WebSphere Application Server provides
information about average system resource usage statistics. However, it does not provide any
correlation between the data. Request metrics, in contrast, provide data about each individual
transaction and correlate this data.
Request metrics gather information about single transactions within an application. The
metrics track each step of a transactio ...