Dockerfile with Cassandra and pmm-client
docker-compose up -d
On the Cassandra nodes:
/usr/local/bin/configure-pmm-client.sh
In Grafana, choose the Advanced Data Exploration tab from the upper left.
Import a good dashboard into Grafana from here:
https://github.com/fipar/docker-cassandra-prometheus/blob/master/cassandra_rev3.json