消息中间件选型时，要关注哪些问题？  - https://mp.weixin.qq.com/s?__biz=MzIwMzg1ODcwMw==&mid=2247487688&idx=1&sn=d1555109750b309a2d96ce3332e8a97b&chksm=96c9a6a8a1be2fbe8e1df2f2bb60a2bfea0e62aaec0633df928432ceed6438a724dd217624cd#rd