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Google's Guava consistent hashing implementation

Project description

Google’s Guava consistent hashing implementation

Assign to input a “bucket” in the range [0, buckets), in a uniform manner that minimizes the need for remapping as buckets grows. That is, consistentHash(h, n) equals:

  • n - 1, with approximate probability 1/n;
  • consistentHash(h, n - 1), otherwise (probability 1 - 1/n).

See the [wikipedia article on consistent hashing](http://en.wikipedia.org/wiki/Consistent_hashing) for more information.

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