How to check InfluxDB database size on disk

If you’d like to know the true size of an InfluxDB database on disk.

(The name of the influxdb volume v_influxdb must be adapted)

Edge computer :

du -h -d 1 /var/lib/docker/volumes/v_influxdb/_data/data

PFC / CC100 / Edge controller / TP600 / WP400 controllers (on internal flash) :

du -h -d 1 /home/docker/volumes/v_influxdb/_data/data

PFC / CC100 / Edge controller / TP600 / WP400 (on memory card):

du -h -d 1 /media/sd/docker/volumes/v_influxdb/_data/data

Sample result:

The last result is the complete folder.