respawn
-exec su -s /bin/sh -c "exec /usr/bin/ceilometer-agent-central --config-file /etc/ceilometer/ceilometer.conf --logfile /var/log/ceilometer/central.log" ceilometer
+exec su -s /bin/sh -c "exec /usr/bin/ceilometer-agent-central --logfile /var/log/ceilometer/central.log" ceilometer