This is exactly what I’ve been looking for to help with cache utilization at $work.
We have the same problem of balancing global/local caches and reasonably distributing load so I’m excited about pushing up HAProxy 1.7 and fiddling with the new hash-balance-factor to make our environment a better place.
Awesome. I’d be thrilled to hear about the results.
Recent writeup on Google’s research blog: https://research.googleblog.com/2017/04/consistent-hashing-with-bounded-loads.html