The entire manual is divided into seven chapters, namely: High Concurrency, Distributed, Middleware, Database, Design Pattern, Data Structure and Algorithm, Alibaba 2020 Annual Interview Question Summary!
High Concurrency
The core idea of spike: layer by layer filtering
Try to intercept requests upstream to reduce downstream pressure
Make full use of the cache and message queue to improve the request processing speed and the effect of peak shaving and valley filling
Difficulties and solutions for large-scale Internet applications (big data, high concurrency, and diverse data types)
Distributed articles
Middleware
Sort the results according to the relevance of the obtained documents and query statements
Database articles
Design patterns
Factory mode
Simple factory
Data structure and algorithm
Analyze the put method of HashMap
Summary of Alibaba's 2020 annual interview questions
Short version of Configuration Center
to sum up
Opportunities are reserved for those who are prepared, so it will not be too early to prepare in advance. What you learn now will eventually be used someday in the future. So friends, learn, success will definitely belong to you!