redis 的发布订阅消息队列

demo 一个发布者，2个订阅者

代码块

Shell

➜  ~ redis-cli 

127.0.0.1:6379> 

127.0.0.1:6379> 

127.0.0.1:6379> PUBLISH redisChat "learn publish subscribe"

(integer) 2

127.0.0.1:6379> 

​

​

代码块

Shell

127.0.0.1:6379> SUBSCRIBE redisChat

Reading messages... (press Ctrl-C to quit)

1) "subscribe"

2) "redisChat"

3) (integer) 1

​

​

​

1) "message"

2) "redisChat"

3) "learn publish subscribe"

代码块

Shell

➜  redis-2.8.17 redis-cli 

127.0.0.1:6379> 

127.0.0.1:6379> 

127.0.0.1:6379> 

127.0.0.1:6379> SUBSCRIBE redisChat

Reading messages... (press Ctrl-C to quit)

1) "subscribe"

2) "redisChat"

3) (integer) 1

​

​

1) "message"

2) "redisChat"

3) "learn publish subscribe"

Kafka，Mq，Redis作为消息队列使用时的差异？