redis阻塞队列的实现

Question

业务需要，Redis如何高效的实现阻塞队列？
Redis似乎没有像java中linkedblocking queue那样的实现，
只有blpop的阻塞版本，入队的操作需要自己控制阻塞吗

Answer 1

The blocking queue is blocked when leaving the queue, but there is no blocking when entering the queue. BLPOP and Java's BlockingQueue are similar in use.

Answer 2

Since the queue length of Redis is infinite, joining the queue must be successful, and there is no such thing as queue joining blocking.
And leaving the queue is blocked