twitter/finagle — pull request #196 by slackhappy (2013-08-19 21:29:17+00:00)
Title: improve HeapBalancer req distribution when N=2

- with 2 nodes and a stream of sequential requests,
the HeapBalancer would always choose the same node

In this particular test, with a seed of 0, the distribution ends up being 6/4 with 10 requests, and 51/49 with 100 requests.