关于进来流量从网卡到 kernel 再到 select/poll/epoll 再到 tomcat 的 requst/response
先把这几篇放这里, 等有空再把内容转成图片
网卡到 sk_buffer
https://packagecloud.io/blog/monitoring-tuning-linux-networking-stack-receiving-data/
https://www.bilibili.com/read/cv10228233
https://www.eet-china.com/mp/a32619.html
select/poll/epoll
https://copyconstruct.medium.com/nonblocking-i-o-99948ad7c957
https://copyconstruct.medium.com/the-method-to-epolls-madness-d9d2d6378642