https://www.jianshu.com/p/dae5bbed39b1
https://www.cnblogs.com/huanshilang/p/12711046.html
kafaka:
https://juejin.cn/post/6844904094021189639
对比:
https://xie.infoq.cn/article/7577289323449da236cd0f127
https://blog.csdn.net/belvine/article/details/80842240