=====
branch process message --> send "10 bytes"

===== Stream: stream -> logged -> ui -> server -> ui -> client

=====

1. filebeat （https://www.elastic.co/cn/beats/）
2. Kibana https://www.elastic.co/cn/kibana/features
3. https://www.elastic.co/cn/elastic-stack/features/
4. https://juejin.cn/post/7230639704335712293#heading-0
5. https://zhuanlan.zhihu.com/p/180511908

还需要梳理一下要做的事情，绝对不只是 log 日志这么简单！！！

还要搜索和分析