Redis
Redis = Remote Dictionary System 메모리 기반의 Key-Value Store 테스트 사이트 http://try.redis.io/ Key 특징 512MB 값이 없으면 자동으로 지워짐 > lpush mylist 1 2 3 (integer) 3 > exists mylist (integer) 1 > lpop mylist "3" > lpop mylist "2" > lpop mylist "1" > exists mylist (integer) 0 명령 EXISTS DEL TYPE: Returns the Kind of Value > set mykey x OK > type mykey string > del mykey (integer) 1 > type mykey none EXPIRE: Delete key after seconds TTL: Returns remaining time to live of a key that has a timeout PERSIST: Remove the existing timeout on key PEXPIRE: Milliseconds EXPIRE PTTL: Milliseconds TTL > SET mykey "Hello" OK > EXPIRE mykey 10 (integer) 1 > TTL mykey (after 3 seconds) (integer) 7 > PERSIST mykey (integer) 1 > TTL m...