3.12.1 Features of the system configuration
Deploy the PRF daemon on a machine with Application Server and the EJB client application running.
The following figure shows an example of deploying the PRF daemon:
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![[Figure]](GRAPHICS/ZU035800.GIF)
Note: For other legend items, see 3.2 Description of the system configuration.
- Features
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The trace file for analyzing the system performance can be output.
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The trace file can be used for identifying the points where error has occurred.
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- Mechanism to output the performance analysis trace
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When a request is processed between the client and the server, each functionality layer of Application Server or the EJB client application outputs the performance analysis information in a buffer. The PRF daemon outputs this trace information in the files of each machine. You can use Management Server to collect the trace information output in the files.