
Chapter 19. Monitoring z/OS systems 725
19.4.5 Advanced logging
In WebSphere Application Server V8.5, an alternative to the basic log and trace facility is
offered, called High Performance Extensible Logging (HPEL). It provides three repositories:
Log data repository: A storage facility for log records, typically information stored in
SystemOut.log, SystemErr.log, or java.util.logging at level detail or higher.
Trace data repository: A storage facility for trace records, typically information written to
java.util.logging below level detail.
Text log: Plain text file for log and trace records. Provided for convenience.
Figure 19-10 depicts the ...