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How to view redis cluster information

王林
Release: 2020-12-29 09:51:02
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How to view redis cluster information

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The IP in this article refers to the IP of the server where redis is installed, and password refers to the password of redis.

(Learning video sharing: redis video tutorial)

Cluster related information view

1.Cluster status

redis-cli -h ip -p 9379 -a password cluster info
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2. Cluster node information

redis-cli -h ip -p 9379 -a password cluster nodes
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3. Node memory, cpu, key number and other information (each node needs to be checked)

redis-cli -h ip -p 9379 -a password info
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4. From the redis cluster View the key (only need to connect to the master node to view)
a. View all keys of the node

redis-cli -h ip -p 9379 -a password keys *
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b. View the value of the key

redis-cli -h ip -p 9379 -a password -c get key
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c .Check the key value validity period

redis-cli -h ip -p 9379 -a password -c ttl key
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View the data stored in redis
1.ssh root@ip
2.Password: password
3.keys *
4. Check the remaining expiration time of stored data

ttl key
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4. Check the type of key (string, set, list, hash)

type key
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5. Check the value of key (string Type)

get key
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6. View the value of key (set type)

scard key //获取 set 集合中元素的数量
smembers key //查看 set 中的内容
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7. View the value of key (hash type)

hlen key //获取 key 键的字段数量
hgetall key //返回 key 键的所有字段及其值
hkeys key //获取 key 键中所有字段的名字
hvals key //获取 key 键中所有字段的值
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Related recommendations: redis database tutorial

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