The whole manual is divided into seven chapters, which are: high concurrency, distributed, middleware, database, design pattern, data structure and algorithm, Alibaba 2020 annual interview summary!
High concurrent post
The core idea of seckill: layers of filtering
Try to intercept requests upstream to reduce downstream pressure
Make full use of cache and message queue to improve the speed of request processing and the role of peak load filling
Difficulties and solutions of large-scale Internet applications (big data, high concurrency, diverse data types)
Distributed article
Middleware article
The results are sorted based on the relevance of the resulting documents to the query statement
Database article
Design Patterns
The factory pattern
Simple factory
Data structures and algorithms
Analyze the PUT method of a HashMap
Alibaba 2020 annual interview questions summary
Simplified version of configuration center
conclusion
Opportunity is for those who are prepared, so it is never too early to prepare. What you learn now will be useful in the future. So ape friends study up, success is sure to belong to you!
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