Kurt,
We are both on OVH but I am on the FRA side, yet my graph seems much more steady (and I have more flags than you), despite having slightly less bandwidth and slightly less uptime. Is your server being hammered by something or in use somewhere else?
My similar node:
E08CD0147F9DC5C2383B84D8C052FE9A83DAFB4B
E65D300F11E1DB12C534B0146BDAB6972F1A8A48