Wu Bigo

Today I Learned

A collection of concise write-ups about what i learned today and it's build from http://bigo.github.io .These are things that don't really warrant a full blog post


RDBMS vs NoSQL

B+树 vs. LSM树

RDBMS使用B+树专门针对磁盘存储而优化的N叉排序树 NoSQL使用LSM树