Consistent Hashing
Just stumbled upon an article explaining the technique of “consistent hashing”. Something that helps in determining one of several horizontally scaled servers to use for a given (cache) key.
Nice read and something I didn’t hear of before:
http://www.tomkleinpeter.com/2008/03/17/programmers-toolbox-part-3-consistent-hashing/
Already thinking of where to use it… 😉