> show databases
name: databases
name
----
_internal
icinga2
vdo
> show retention policies on _internal
name duration shardGroupDuration replicaN default
---- -------- ------------------ -------- -------
monitor 168h0m0s 24h0m0s 1 true
> show series cardinality on _internal
cardinality estimation
----------------------
1494
> show retention policies on icinga2
name duration shardGroupDuration replicaN default
---- -------- ------------------ -------- -------
autogen 672h0m0s 24h0m0s 1 true
> show series cardinality on icinga2
cardinality estimation
----------------------
745
> show retention policies on vdo
name duration shardGroupDuration replicaN default
---- -------- ------------------ -------- -------
autogen 0s 168h0m0s 1 true
> show series cardinality on vdo
cardinality estimation
----------------------
12
I’m not clear on how to get number of measurements from InfluxDB: it looks to not be possible from the query language? Here’s the on-disk size:
# du -sk * /var/lib/influxdb/data/*
264996 icinga2
72712 _internal
239512 vdo
So, overall, nothing particularly large.
