I've done this in my company with about 100 servers using KairosDB + Grafana and CollectD... https://kairosdb.github.io/ https://kairosdb.github.io/ If I were

I've done this in my company with about 100 servers using KairosDB + Grafana and CollectD... https://kairosdb.github.io/ https://kairosdb.github.io/ If I were to do it again I'd probably use Grafana and Prometheus