14.3. System Trace Files
An Oracle instance's system trace files are stored in the same directory as the alert log file, in the directory specified by the system parameter BACKGROUND_ DUMP_DEST. The system trace files contain debugging, status, and error messages for each of the background processes, such as SMON, PMON, DBWx, LGWR, and so forth.
system trace file
A text file that pertains to a single background process and contains status, debugging, or error information about that background process. System trace files are stored in the directory specified by the system parameter BACKGROUND_ DUMP_DEST.
Janice, the DBA, notices that there are quite a few system trace files in the BACKGROUND_DUMP_DEST directory:
[oracle@oltp bdump]$ ls -l total ...
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