You can change the maximum file size, the number of entries displayed and the level of logging on the Configure Options page of Enterprise Server Administration. When the journal reaches the maximum file size set, the most recent journal entries overwrite the oldest journal entries. For troubleshooting purposes, you might want to increase the maximum file size to 256 KB or more.
The three levels of logging available are:
For troubleshooting purposes, you might want to set the maximum level of logging.