Simulate a "ring" by shuffling the list of hosts and using consecutive lists of n hosts as a replica set.  Allow specifying a random seed via os.environ['SEED'].
Simulate a "ring" by shuffling the list of hosts and using consecutive
lists of n hosts as a replica set.  Allow specifying a random seed
via os.environ['SEED'].

sit/dht,sit/dht,sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,weidezhang/dht,weidezhang/dht,sit/dht,weidezhang/dht