redis is an in-memory(with persistence) data-structures server, do you need a set,increment,get+put,cache(like memcache),hyperloglog,list,hashes,bitarray,sorte

redis is an in-memory(with persistence) data-structures server, do you need a set,increment,get+put,cache(like memcache),hyperloglog,list,hashes,bitarray,sorted_list + custom_lua_functions that you want to access from multiple web-servers ?