|
Problem(Abstract) |
Learning more about the Performance Monitoring
Infrastructure (PMI) is the first step in the troubleshooting process.
This document provides you with educational information that can help you
learn more about this topic. |
|
|
|
Resolving the
problem |
 |
Getting background information on PMI
- What is Performance Monitoring Infrastructure (PMI)?
WebSphere® Application Server collects performance data on runtime
and applications through the PMI. The performance data is stored in
memory.
There are several types of interfaces that can be used to access
performance data. Tools that use these interfaces help you to monitor and
tune the performance of your WebSphere Application Server environment.
Performance data can be monitored and analyzed with these tools:
- The Tivoli® Performance Viewer (known as the Resource Analyzer in
version 4.0), which is included in WebSphere Application Server
- Other Tivoli monitoring tools
- User-developed monitoring tools
- Third-party monitoring tools
The Tivoli Performance Viewer is a Graphical User Interface (GUI)
performance monitor. In version 5, it runs as a stand-alone GUI and in
version 6, it is integrated into the Administrative Console. The Tivoli
Performance Viewer can be used to connect to local or remote hosts.
- PMI request metrics
WebSphere Application Server also collects data by timing requests as
they travel through the product components. PMI Request Metrics is a tool
that allows you to track individual transactions, recording the processing
time in each of the major WebSphere Application Server components, such as
the Web Server, Web Container, EJB Container, and the database. These data
points are recorded in logs and can be written to Application Response
Monitoring agents used by Tivoli tools or third-party monitoring
tools.
|
|
|
|
|
|
Cross Reference information |
Segment |
Product |
Component |
Platform |
Version |
Edition |
Application Servers |
WebSphere Application Server - Express |
|
AIX, HP-UX, Linux, Solaris, Windows |
6.0, 5.1, 5.0 |
|
Application Servers |
Runtimes for Java Technology |
Java SDK |
|
|
|
|
|
|