WebSphere Message Broker, Version 8.0.0.7 Operating Systems: AIX, HP-Itanium, Linux, Solaris, Windows, z/OS

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Service trace

Service trace is one of two types of optional trace that are available in WebSphere® Message Broker and provides more information than that provided by the entries that are written to the Event Log or to user trace. Service trace is inactive by default; you must activate it explicitly by using a command.

With service trace, you can activate more comprehensive broker tracing, and start tracing for the WebSphere Message Broker Toolkit. You can also trace the execution of all the commands described in Commands, including the trace commands themselves. Use the mqsichangetrace command to work with service trace; you cannot use the WebSphere Message Broker Toolkit.

Activate service trace only when you receive an error message that instructs you to, or when directed to do so by your IBM® Support Center.

When you activate service trace, you cause additional processing for every activity in the component that you are tracing. Large quantities of data are generated by the components. Expect performance to be affected while service trace is active. You can limit this additional processing by being selective about what you trace, and by restricting the time during which trace is active.

The location of the trace logs depends on your environment:
Windows platformWindows
If you have set the work path by using the -w parameter of the mqsicreatebroker command, the location is workpath\log.
If you have not specified the broker work path, the default location is %ALLUSERSPROFILE%\IBM\MQSI\common\log where %ALLUSERSPROFILE% is the environment variable that defines the system working directory. The default directory depends on the operating system.
  • On Windows XP and Windows Server 2003: C:\Documents and Settings\All Users\IBM\MQSI\common\log
  • On Windows Vista and Windows Server 2008: C:\ProgramData\IBM\MQSI\common\log
Your computer might not use the standard value; use %ALLUSERSPROFILE% to ensure that you access the correct location.
Linux platformUNIX platformLinux and UNIX
/var/mqsi/common/log
z/OS platformz/OS®
/component_filesystem/log

The directory to which the service trace logs are written must be able to hold all the logs for that computer. You might want to place it on a separate file system, if allowed by your system operator.

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        Last updated: 2016-05-23 14:47:15


Reference topicReference topic | Version 8.0.0.7 | an01320_