design & refactoring

1. https://refactoring.guru/
2. https://sourcemaking.com/
3. https://www.industriallogic.com/xp/refactoring/index.html
4. https://martinfowler.com/eaaCatalog/
5. https://martinfowler.com/
6. https://medium.com/@TuckerConnelly/94-gems-from-code-complete-a1e1b69f9f8c

C10K

1. http://www.ulduzsoft.com/2014/01/select-poll-epoll-practical-difference-for-system-architects/
2. https://mrotaru.wordpress.com/2015/05/20/how-migratorydata-solved-the-c10m-problem-10-million-concurrent-connections-on-a-single-commodity-server/
3. http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html
4. http://c10m.robertgraham.com/p/manifesto.html

demo

1. https://github.com/chxfantasy/spring-cloud-demo