check process postgresql with pidfile /var/run/postgresql/8.4-main.pid
	group database
	start program = "/etc/init.d/postgresql-8.4 start"
	stop program = "/etc/init.d/postgresql-8.4 stop"
	if failed unixsocket /var/run/postgresql/.s.PGSQL.5432 protocol pgsql then restart
	if failed unixsocket /var/run/postgresql/.s.PGSQL.5432 protocol pgsql then alert
	if failed host localhost port 5432 protocol pgsql then restart
	if failed host localhost port 5432 protocol pgsql then alert
	if 5 restarts within 5 cycles then timeout