一.redis连接数

查看redis的连接数，redis的默认连接数是1w，当然也可以通过配置文件来修改

10.31.1.124:6379> config get maxclients
1) "maxclients"
2) "10000"

二.redis连接相关命令

命令	概述
CLIENT LIST	返回连接到 redis 服务的客户端列表
CLIENT SETNAME	设置当前连接的名称
CLIENT GETNAME	获取通过 CLIENT SETNAME 命令设置的服务名称
CLIENT PAUSE	挂起客户端连接，指定挂起的时间以毫秒计
CLIENT KILL	关闭客户端连接

1.1 client list

client list 列出连接到redis服务的客户端列表

10.31.1.124:6379> client list
id=5 addr=10.31.1.123:60814 fd=7 name= age=36 idle=36 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=command
id=6 addr=10.31.1.124:37302 fd=8 name= age=30 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=32768 obl=0 oll=0 omem=0 events=r cmd=client
10.31.1.124:6379>

1.2 client setname 和 client getname

设置和获取当前连接的名字，感觉这个用处不是很大

10.31.1.124:6379> client setname redis1
OK
10.31.1.124:6379> client getname
"redis1"

1.3 client pause

client pause 10000
挂起客户端，单位毫秒，此处是挂起10秒
当某个客户端的请求太频繁，可以挂起一段时间，降低服务器的负载

10.31.1.124:6379> client pause 10000
OK
10.31.1.124:6379> 
10.31.1.124:6379> 
10.31.1.124:6379> 
-- 等待了接近5秒才
10.31.1.124:6379> client getname
"redis1"
(4.56s)
10.31.1.124:6379> 
10.31.1.124:6379> client getname
"redis1"

1.4 client kill

关闭客户端连接

10.31.1.124:6379> client list
id=5 addr=10.31.1.123:60814 fd=7 name= age=36 idle=36 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=0 obl=0 oll=0 omem=0 events=r cmd=command
id=6 addr=10.31.1.124:37302 fd=8 name= age=30 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=32768 obl=0 oll=0 omem=0 events=r cmd=client
10.31.1.124:6379> 
10.31.1.124:6379> client kill 10.31.1.123:60814
OK
10.31.1.124:6379> client list
id=6 addr=10.31.1.124:37302 fd=8 name=redis1 age=247 idle=0 flags=N db=0 sub=0 psub=0 multi=-1 qbuf=0 qbuf-free=32768 obl=0 oll=0 omem=0 events=r cmd=client
10.31.1.124:6379>