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redis-cli Command
# 접속
docker exec -it demo-redis redis-cli
# 모니터링
docker exec -it demo-redis redis-cli monitor
# 기타
docker exec -it demo-redis redis-cli info
docker exec -it demo-redis redis-cli helpdocker exec -it demo-redis redis-cli --bigkeys
# Scanning the entire keyspace to find biggest keys as well as
# average sizes per key type. You can use -i 0.1 to sleep 0.1 sec
# per 100 SCAN commands (not usually needed).
[00.00%] Biggest string found so far '"keyboard"' with 4 bytes
-------- summary -------
Sampled 1 keys in the keyspace!
Total key length in bytes is 8 (avg len 8.00)
Biggest string found '"keyboard"' has 4 bytes
1 strings with 4 bytes (100.00% of keys, avg size 4.00)
0 lists with 0 items (00.00% of keys, avg size 0.00)
0 hashs with 0 fields (00.00% of keys, avg size 0.00)
0 streams with 0 entries (00.00% of keys, avg size 0.00)
0 sets with 0 members (00.00% of keys, avg size 0.00)
0 zsets with 0 members (00.00% of keys, avg size 0.00)docker exec -it demo-redis redis-cli --stat
------- data ------ --------------------- load -------------------- - child -
keys mem clients blocked requests connections
2 1.48M 3 0 208 (+0) 30
2 1.46M 3 0 209 (+1) 30
2 1.47M 3 0 210 (+1) 30
2 1.47M 3 0 211 (+1) 30
2 1.47M 3 0 212 (+1) 30
2 1.47M 3 0 213 (+1) 30
2 1.46M 3 0 214 (+1) 30
2 1.47M 3 0 215 (+1) 30
2 1.47M 3 0 216 (+1) 30
4 1.49M 3 0 221 (+5) 30
4 1.50M 3 0 224 (+3) 30
4 1.49M 3 0 225 (+1) 30
4 1.47M 3 0 226 (+1) 30
4 1.47M 3 0 227 (+1) 30
4 1.47M 3 0 228 (+1) 30
4 1.47M 3 0 229 (+1) 30
4 1.47M 3 0 230 (+1) 30
4 1.47M 3 0 231 (+1) 30
4 1.47M 3 0 232 (+1) 30
4 1.47M 3 0 233 (+1) 30 CRUD Command
Select All
127.0.0.1:6379> keys *
1) "accounts"
hgetall {key}
hget {key} {column}Get, Set key:value
set key value
get keySet는 이미 저장된 Key의 Value를 Replace할 수 있다.
127.0.0.1:6379> set myKey value
OK
127.0.0.1:6379> get myKey
"value"
127.0.0.1:6379> set myKey something
OK
127.0.0.1:6379> get myKey
"something"Multiple Get, Set Key:Value
mset key value key value
mget key key127.0.0.1:6379> mset keyboard abko mouse zowie-gear
OK
127.0.0.1:6379> get keyboard
"abko"
127.0.0.1:6379> get mouse
"zowie-gear"
127.0.0.1:6379> mget keyboard mouse
1) "abko"
2) "zowie-gear"Set Key:Value With Expire
시간은 초단위
setex key second value127.0.0.1:6379> setex monitor 10 AOC
OK
127.0.0.1:6379> get monitor
"AOC"
127.0.0.1:6379> get monitor
(nil)Delete Key
del key127.0.0.1:6379> keys *
1) "keyboard"
2) "accounts"
3) "mouse"
4) "key"
127.0.0.1:6379> del keyboard
(integer) 1
127.0.0.1:6379> del accounts
(integer) 1
127.0.0.1:6379> del mouse
(integer) 1
127.0.0.1:6379> del mouse key
(integer) 1
127.0.0.1:6379> keys *
(empty array)Delete시 (integer) n이 출력 되는데, n은 삭제 개수이다.
0개면 아무것도 삭제가 안된거고 1은 한개, 2는 두개...
Get Time Remaining Until Expire
ttl key (second)
pttl key (milli second)127.0.0.1:6379> setex speaker 60 britz
OK
127.0.0.1:6379> ttl speaker
(integer) 55
127.0.0.1:6379> ttl speaker
(integer) 54
127.0.0.1:6379> pttl speaker
(integer) 52048
127.0.0.1:6379> pttl speaker
(integer) 47266keys like 검색
keys *k*127.0.0.1:6379> mset keyboard abko mouse zowie-gear speaker britz
OK
127.0.0.1:6379> keys *k*
1) "speaker"
2) "keyboard"
127.0.0.1:6379> keys *m*
1) "mouse"Delete All
flushall127.0.0.1:6379> flushall
OK
127.0.0.1:6379> keys *
(empty array)Exist 검색
exsits key127.0.0.1:6379> set keyboard abko
OK
127.0.0.1:6379> exists keyboard
(integer) 1
127.0.0.1:6379> exists mouse
(integer) 0Length 검색
strlen key127.0.0.1:6379> strlen keyboard
(integer) 4Counter
string 기반의 Redis이지만 atomic increment 기능이 있다.
incr key
incrby key increment
decr key
decrby key decrement127.0.0.1:6379> set user:ads:1:click 0
OK
127.0.0.1:6379> incr user:ads:1:click
(integer) 1
127.0.0.1:6379> incr user:ads:1:click
(integer) 2
127.0.0.1:6379> incr user:ads:1:click
(integer) 3
127.0.0.1:6379> get user:ads:1:click
"3"
127.0.0.1:6379> incrby user:ads:1:click 10
(integer) 13
127.0.0.1:6379> get user:ads:1:click
"13"
127.0.0.1:6379> decr user:ads:1:click
(integer) 12
127.0.0.1:6379> decr user:ads:1:click
(integer) 11
127.0.0.1:6379> get user:ads:1:click
"11"
127.0.0.1:6379> decrby user:ads:1:click 10
(integer) 1
127.0.0.1:6379> get user:ads:1:click
"1"Get, Set Hash
hset key field value127.0.0.1:6379> hset user-1 name Snow
(integer) 1
127.0.0.1:6379> hset user-1 age 10
(integer) 1
127.0.0.1:6379> hmget user-1 name age
1) "Snow"
2) "10"List Push
rpush key value (right push)
lpush key value (left push)
lpop key
rpop key
lrange key start endlrange의 end index 값은 -1은 마지막, -2는 끝에서 두번째... (파이썬과 같다)
127.0.0.1:6379> rpush myList A
(integer) 1
127.0.0.1:6379> rpush myList B
(integer) 2
127.0.0.1:6379> lpush myList 0
(integer) 3
127.0.0.1:6379> lrange myList 0 1
1) "0"
2) "A"
127.0.0.1:6379> lrange myList 0 -1
1) "0"
2) "A"
3) "B"127.0.0.1:6379> rpush myList 1 2 3 4 5 "hello world"
(integer) 6
127.0.0.1:6379> lrange myList 0 -1
1) "1"
2) "2"
3) "3"
4) "4"
5) "5"
6) "hello world"127.0.0.1:6379> lpop myList
"1"
127.0.0.1:6379> rpop myList
"hello world"
127.0.0.1:6379> lrange myList 0 -1
1) "2"
2) "3"
3) "4"
4) "5"
127.0.0.1:6379> rpop myList
"5"
127.0.0.1:6379> rpop myList
"4"
127.0.0.1:6379> rpop myList
"3"
127.0.0.1:6379> rpop myList
"2"
127.0.0.1:6379> rpop myList
(nil)
127.0.0.1:6379> lrange myList 0 -1
(empty array)127.0.0.1:6379> lpush myList 1
(integer) 1
127.0.0.1:6379> lpush myList 2
(integer) 2
127.0.0.1:6379> lpush myList 3
(integer) 3
127.0.0.1:6379> lpush myList 4
(integer) 4
127.0.0.1:6379> lpush myList 5
(integer) 5
127.0.0.1:6379> ltrim myList 0 2
OK
127.0.0.1:6379> lrange myList 0 -1
1) "5"
2) "4"
3) "3"728x90
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