redis 운영 명령어

replication 명령어

replicaof <ip> <port>  : replica 설정
replicaof no one  : replica 해제
config rewrite : config변경내용 저장

 

$ redis-cli --stat   : Redis인스턴스 실시간 모니터링( -i <interval )

ubuntu@docker1:~/redis-alone$ redis-cli --stat
------- data ------ --------------------- load -------------------- - child -
keys       mem      clients blocked requests            connections
25         878.99K  2       0       22 (+0)             3
25         878.99K  2       0       23 (+1)             3
25         878.99K  2       0       24 (+1)             3
27         879.37K  2       0       31 (+7)             3
31         880.13K  2       0       44 (+13)            3
35         881.16K  2       0       57 (+13)            3
38         881.73K  2       0       67 (+10)            3
41         882.32K  2       0       77 (+10)            3
43         882.70K  2       0       84 (+7)             3

 

$ redis-cli --bigkeys  : 키 공간 분석기

buntu@docker1:~/redis-alone$ 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 hash   found so far 'adFrequency:169169' with 4 fields
[21.57%] Biggest set    found so far 'adFrequency' with 50 members

-------- summary -------

Sampled 51 keys in the keyspace!
Total key length in bytes is 911 (avg len 17.86)

Biggest   hash found 'adFrequency:169169' has 4 fields
Biggest    set found 'adFrequency' has 50 members

0 lists with 0 items (00.00% of keys, avg size 0.00)
50 hashs with 200 fields (98.04% of keys, avg size 4.00)
0 strings with 0 bytes (00.00% of keys, avg size 0.00)
0 streams with 0 entries (00.00% of keys, avg size 0.00)
1 sets with 50 members (01.96% of keys, avg size 50.00)
0 zsets with 0 members (00.00% of keys, avg size 0.00)

monitor : 실시간으로 수행되는 명령어 모니터링

ubuntu@docker1:~/redis-alone$ redis-cli monitor
OK
1651545312.539852 [0 100.51.2.78:40062] "DEL" "adFrequency:118809"
1

scan

127.0.0.1:3000> scan 0 MATCH adFre* COUNT 5
1) "24"
2) 1) "adFrequency:169169"
   2) "adFrequency:143070"
   3) "adFrequency:114371"
   4) "adFrequency:187734"
   5) "adFrequency:146408"
127.0.0.1:3000>