When GlassFish Server rotates a log file, it creates a new, empty file named server.log and renames the old file server.log_date, where date is the date and time when the file was rotated.
By default, GlassFish Server limits the number of rotated log files to 10. When this limit is reached, the oldest log file is deleted when GlassFish Server next rotates a log file.
If necessary, you can change the limit on the number of rotated log files. Any new limit that you set applies to rotated log files for both access logging and the server log.
You can change the limit on the number of rotated log files by using the create-system-properties subcommand in remote mode to set a system property.
Ensure that the server is running.
Remote subcommands require a running server.
Use the create-system-properties(1) subcommand to set the com.sun.enterprise.server.logging.max_history_files system property to the maximum number of rotated log files to keep.
The behavior of the com.sun.enterprise.server.logging.max_history_files system property is as follows:
If the property is not set, GlassFish Server keeps a maximum of 10 rotated log files.
If the property is set to an invalid number or null, GlassFish Server keeps a maximum of 10 rotated log files.
If the property is set to 0, GlassFish Server keeps no rotated log files.
This example changes the limit on the number of rotated log files to 5.
asadmin> create-system-properties com.sun.enterprise.server.logging.max_history_files=5 Command create-system-properties executed successfully.