hmset_vs_split.py

import redis, time
rds = redis.Redis("localhost", 6379)
rds.flushdb()

# fill 1
users = {"user%s" % x: "channel%s" % x for x in range(500)}
rds.hmset("users1", users)
# fill 2
for i in range(100):
    rds.sadd('users2', 'user%s|channel%s' % (i, i))

# tests
getuser = 'user450'
count = 10000
# get 1
st = time.time()
for i in range(count):
    chann = rds.hgetall("users1").get(getuser)
print 'Redis dict:', time.time() - st

# get 2
def get_split(name):
    for u in rds.smembers("users2"):
        u, c = u.split('|')
        if u == name:
            return c
st = time.time()
for i in range(count):
    chann = get_split(getuser)
print 'Iter and split:', time.time() - st
'''
Redis dict: 28.6445989609
Iter and split: 3.94548511505
'''