locs.py

#!/usr/bin/env python

import random
from collections import Counter

num_tservers = 30 
num_hash_buckets = 16
repl_factor = 3
ts_buckets = [random.randrange(0, num_hash_buckets) for i in xrange(num_tservers)]
ts_load = Counter()

for i in range(10000):
  tablet_locs = random.sample(range(num_tservers), repl_factor)
  chosen_ts = max(tablet_locs, key=lambda idx:ts_buckets[idx])
  ts_load[chosen_ts] += 1


print ts_load