This is great. The multi-tenant dyno issues certainly matches our experience - we would consistently get request timeouts when under load (even if scaled up) un

This is great. The multi-tenant dyno issues certainly matches our experience - we would consistently get request timeouts when under load (even if scaled up) until we moved to the single-tenant dynos. With the random routing, if even one of your dynos has a busy neighbour you _will_ be timing out on some of your requests.