kafka 延迟队列、重试队列、死信队列

https://blog.csdn.net/jy02268879/article/details/106014372

https://blog.csdn.net/u013256816/article/details/89325701

http://blog.itpub.net/31555607/viewspace-2672190/

https://developer.aliyun.com/article/780050