current position：Home>Limited time open source, Alibaba P9 handwritten "redis in-depth notes", after eating, the salary directly increased by 8K
Limited time open source, Alibaba P9 handwritten "redis in-depth notes", after eating, the salary directly increased by 8K
2022-01-27 00:54:10 【Java Yumeng】
Redis It's very popular in domestic companies , For example, Sina 、 Ali 、 tencent 、 Baidu 、 Meituan 、 Millet, etc. .Redis It's also the favorite question for the interview , In especial Redis client 、Redis Advanced features 、Redis Discussion on common problems of persistence and development operation and maintenance 、Redis Principles of replication and optimization strategies 、Redis Distributed solutions, etc .
Redis We often use it in our work , But why 、redis Some scenarios and practical problems of ,90% None of the above people understand very well . I went to interview Ali myself , I was Redis When asked the question, he was speechless … Afterwards, I went to mend Redis, I'm quite proficient now .
As the current mainstream NoSQL technology ,redis stay Java It has been widely used in the Internet , A bald man with time code , Yes Redis It must be no stranger , If even Redis It's not used , I'm sorry to go out for an interview , I'm not sure how many times I've been beaten by the interviewer . Why? Redis It's so popular now , because redis It has many advantages ：
Very fast response
Supports six data types
Operations are atomic MultiUtility Tools
It can also meet the high concurrency of the Internet and the need for high-speed data processing , Like grabbing red envelopes 、 Commodity spike and other scenes , These scenarios require high-speed processing , And ensure the security and consistency of concurrent data .
Now Internet companies and some start-ups use Redis, Like Amazon 、 Google 、 Ali 、 Tencent should use , We can see that we are proficient in Redis It's really necessary to use .
I've read a lot about redis Student status , And some study notes , Although it's all good , But few can go deep into the source code , I saw a self-produced by Ali Daniu a few days ago “Redis In depth notes ”, At least it's the most perfect I've seen so far , The most profound note .
The opening ：Redis What can you do with it ？
Basics ：Redis Infrastructure
application 1： Distributed lock
application 2： Delay queue
application 3： Bitmap
application 5： The bloon filter
application 6： Simple current limiting
application 7： Funnel restriction
application 8： GeoHash
principle 1： Threads IO Model
principle 2： Communication protocol
principle 3： Persistence
The space for , Show only these screenshots , This is produced by Ali Daniu “Redis In depth notes , Be able to go from shallow to source code Redis Show it in detail and completely , I hope you can gain a lot from it .
author[Java Yumeng],Please bring the original link to reprint, thank you.
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