This topic describes how to enable request metrics.
About this task
Request metrics is a tool that enables you to track individual transactions,
recording the processing time in each of the major WebSphere Application Server
components.
You can enable request metrics from the following locations:
- The administrative console. To enable request metrics in the administrative
console, refer to the instructions under the Steps for this task section that
follows.
- Command line. Java Management Extensions (JMX) interfaces are exposed
for enabling request metrics through external tools. For more details on the
exposed interfaces, refer to the request metrics API documentation.
To enable request metrics in the administrative console:
Procedure
- Open the administrative console.
- Click Monitoring and Tuning > Request metrics in
the console navigation tree.
- Select the Enable check box in the Request
metrics field under the Configuration tab.
- Specify the components that are instrumented by request metrics.
- Specify
how much data to collect.
- Enable
and disable logging.
- Enable Application Response Measurement (ARM) Agent.
- Specify which ARM type to use.
- Specify the name of the ARM transaction factory implementation
class.
- Isolate
performance for specific types of requests.
- Add
and remove request metrics filters.
- Click Apply or OK.
- Click Save.
Results
The request metrics is enabled.