Posts to read

https://lethain.com/introduction-to-architecting-systems-for-scale/
https://www.youtube.com/watch?time_continue=305&v=-W9F__D3oY4
https://leetcode.com/problemset/algorithms/

https://www.educative.io/collection/5668639101419520/5649050225344512

http://www.aosabook.org/en/distsys.html

https://aws.amazon.com/blogs/aws/three-new-aws-reference-architectures-for-e-commerce/
https://www.facebook.com/notes/facebook-engineering/scaling-out/23844338919/