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2020 meituan (multithreading + redis)

2022-04-21 12:38:00 【InfoQ】


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[](() Meituan Java Three sides of the post （ technical , about 60 minute ）

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  • Project introduction .
  • The most technically difficult project , Introduce the related core design process .
  • Distributed redis How to ensure thread safety ？
  • redis The way of persistence and the difference ？
  • zookeeper How to implement distributed locks 、 How to implement other distributed locks ？
  • kafka The architecture of , How to use kafka Keep the message in order ？
  • What does database optimization include ？MySQL The optimization of the , Two examples of your optimization .
  • redis Which version is used ？
  • How to build redis colony ？
  • redis How to synchronize master and slave ？
  • redis Distributed lock considerations ？
  • redis The way of persistence and the difference ？
  • redis Persistence methods and differences ？
  • my sql When the data volume is large, it needs to be divided into tables ？
  • my sql Common storage engines and differences ？
  • zookeeper The role of ： Distributed lock 、 Registration Service Center ？
  • zookeeper How to implement distributed locks 、 How to implement other distributed locks ？
  • Solutions for distributed transactions ？
  • How to achieve single sign on  
    Java Open source project 【ali1024.coding.net/public/P7/Java/git】
     ？
  • How to realize seckill system ？
  • In the work , It's hard to solve the technical bottleneck , Your solution ？
  • Technology selection , A new technology and a stable old technology , How would you choose , What factors will be considered ？

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[](() Meituan Java On all sides of the post （HR interview , about 30 minute ）

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  • Introduce yourself .
  • My strengths and weaknesses .
  • Why do you want to come to meituan , How much do you know about meituan ？
  • The Internet companies in my heart are in order .
  • I met some problems that I couldn't solve at work , How do you deal with ？
  • What new technology are you learning recently
  • What path and method do you go through , To learn and touch a new technology ？ 
    《 A big factory Java Analysis of interview questions + Back end development learning notes + The latest architecture explanation video + Practical project source code handout 》 Open source
  • What is the future career plan ？
  • Communicate position and salary ： Omit here …

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[](() summary

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All the interview questions are not immutable , Big factories like meituan , The above interview questions are just for your reference , The main thing is to increase your knowledge reserve , Be prepared against want .

Finally, let's share ：Java Interview question summary + Learning mind map of each knowledge point

Last

In fact, it can be seen from the recruitment demand of large factories , High concurrent experience in recruitment requirements is preferred , Including many friends, they used to work in traditional industries or outsourcing projects , Has been in a small company , The technology is relatively simple , I haven't done much with distributed systems , But now Internet companies generally do distributed systems .

So , If you want to enter a large factory , Want to break away from traditional industries , These technical knowledge are necessary for you , I made a copy myself Java Concurrent system mind map , I hope it helped you .

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https://yzsam.com/2022/04/202204211228007544.html

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