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Appendix I. Important log files
Log files provide information about software components in the environment as
they initialize and run. The logs usually cause low-to-medium performance
impact and can be useful to review after an error or problem condition occurs.
Analyzing logs is a significant step in the problem determination process.
Generally, logs are always enabled. The level of most logging can be modified to
enable more detailed logging messages, but be aware that this change could
have a big impact on performance and should be changed back to normal
logging level after the problem is resolved.
This appendix provides the following information on log files:
Default location of log files
How to change their location for systems management purposes
Log file properties for all the software related to WebSphere Commerce, such
as typical log entry formats, types of logs, when and how to use them, where
is their default location, and how to change their properties
Where to find more information
I
Tip: The log files are extremely important and useful for troubleshooting, and
should be checked frequently. For systems management purposes, you can
move all log files into a common directory tree by changing the location of the
log files. Make sure that the directories for the log files are already created.
You will get application failures when the log files cannot be created.

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