redis bitcount example not working -


i playing redis , tried bitcount example: http://redis.io/commands/bitcount .

127.0.0.1:6379> set mykey "foobar" ok 127.0.0.1:6379> bitcount mykey (error) err unknown command 'bitcount'

my redis version follows:

mohit@mohit:~$ redis-server --version redis server v=3.0.1 sha=00000000:0 malloc=jemalloc-3.6.0 bits=64 build=ecf41ef76feca5d mohit@mohit:~$ redis-cli --version redis-cli 3.0.1

i verified website, 3.0.1 latest stable version. went wrong in arrangement?


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