Redis 消息队列的三种方案（List、Streams、Pub/Sub）
消息队复制127.0.0.1:6379> lpush mylist a a b c d e (integer) 6 127.0.0.1:6379> rpop mylist "a" 127.0.0.1:6379> rpop mylist "a" 127.0.0.1:6379> rpop mylist "b" 127.0.0.1:6379> 1.2.3.4.5.6.7.8.9.
消息队复制127.0.0.1:6379> lpush mylist a a b c d e (integer) 6 127.0.0.1:6379> rpop mylist "a" 127.0.0.1:6379> rpop mylist "a" 127.0.0.1:6379> rpop mylist "b" 127.0.0.1:6379> 1.2.3.4.5.6.7.8.9.