Diagnostic trace service settings

Use this page to configure diagnostic trace service settings.

To view this page, click the following path:
Note: You can also configure tracing from the MVS™ console using the modify command.

Trace Output

Specifies where trace output should be written. The trace output can be written directly to an output file, or stored in memory and written to a file on demand using the Dump button found on the run-time page.

Different components can produce different amounts of trace output per entry. Naming and security tracing, for example, produces a much higher trace output than Web container tracing. Consider the type of data being collected when you configure your memory allocation and output settings.

File

Specifies to write the trace output to a self-managing log file. The self-managing log file writes messages to the file until the specified maximum file size is reached. When the file reaches the specified size, logging is temporarily suspended and the log file is closed and renamed. The new name is based on the original name of the file, plus a timestamp qualifier that indicates when the renaming occurred. Once the renaming is complete, a new, empty log file with the original name is reopened, and logging resumes. No messages are lost as a result of the rollover, although a single message may be split across the two files. If you select this option you must specify the following parameters:

Runtime tab

Save runtime changes to configuration

Save runtime changes made on the runtime tab to the trace configuration as well. Select this box to copy run-time trace changes to the trace configuration settings as well. Saving these changes to the trace configuration will cause the changes to persist even if the application is restarted.

Trace Output

Specifies where trace output should be written. The trace output can be written directly to an output file, or stored in memory and written to a file on demand using the Dump button found on the run-time page.

File

Specifies to write the trace output to a self-managing log file. The self-managing log file writes messages to the file until the specified maximum file size is reached. When the file reaches the specified size, logging is temporarily suspended and the log file is closed and renamed. The new name is based on the original name of the file, plus a timestamp qualifier that indicates when the renaming occurred. Once the renaming is complete, a new, empty log file with the original name is reopened, and logging resumes. No messages are lost as a result of the rollover, although a single message may be split across the two files. If you select this option you must specify the following parameters:



Related tasks
Working with trace
Related reference
Modify command
Reference topic    

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Last updated: Oct 22, 2010 12:21:29 AM CDT
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