I spent a lot of time messing with all of this, that's why I deceided to share my notes.
My aim was to collect sFlow samples and to agregate them (sfacct), store them in a TSDB (influxDB) and graph network traffic (grafana).
This is the presentation I made during the FranceIX General meeting 2016, reguarding the open-source tools we are using and an update about the route filtering on our route-servers (IRR and RPKI/ROA) : http://www.afenioux.fr/doc/presentations/FranceIX-GM-2016.pdf
This this the presentation I made in English at RIPE72, during the Connect Working Group,
Talking about Route Servers on IXP, and security that should be implemented.