PostgreSQL 10 High Performance - Third Edition

Using syslog for log messages

On Unix-like systems, one approach for database logging that leverages existing operating infrastructure is to redirect log_destination to use the syslog facility.

On Windows systems, you can use log messages to the Windows Event Log similarly to how syslog is used here.

The main thing to be concerned about when using syslog is a warning you'll find in the documentation at http://www.postgresql.org/docs/current/static/runtime-config-logging.html:

"Note: The logging collector is designed to never lose messages. This means that in case of extremely high load, server processes could be blocked due to trying to send additional log messages when the collector has fallen behind. In contrast, syslog prefers to drop ...