I spent a lot of time compiling the Redis interview questions

First 50 questions, unique, from beginner to master

From basic, advanced knowledge, and then to cluster, operation and maintenance, program…

Figure out these questions can be said to be a face bully

How is Redis doing? Why don’t you check it out

1. What is Redis?

What are the advantages of Redis over memcached?

3. What data types does Redis support?

4. What physical resources do Redis mainly consume?

5. What is the full name of Redis?

6. What kinds of data elimination strategies does Redis have?

7. Why doesn’t Redis officially provide Windows version?

What is the maximum capacity of a string value?

9. Why does Redis need to put all data in memory?

10. What should Redis cluster solution do? What are the options?

11. When will Redis cluster solution make the whole cluster unavailable?

12, MySQL has 2000W data, redis only 20W data, how to ensure that redis data is hot data?

13. What are the suitable scenarios for Redis?

14. What Java clients are supported by Redis? Which is the official recommendation?

15. What does Redis have to do with Redisson?

16. What are the advantages and disadvantages of Jedis versus Redisson?

17. How to set and verify the password in Redis?

18, What about the Redis hash slot?

19. What is the master/slave replication model of Redis cluster?

Will Redis write operations be lost? Why is that?

21. How are Redis clusters replicated?

22. What is the maximum number of nodes in Redis cluster?

Redis cluster how to select a database?

24, How to test the connectivity of Redis?

25. What is the use of pipes in Redis?

26, How to understand Redis transaction?

What are the Redis transaction related commands?

28. How to set the expiration time and permanent validity of Redis key respectively?

29, How does Redis do memory optimization?

How does the Redis recycle process work?

31. What algorithm does Redis recycle?

32. How does Redis do mass data insertion?

33, Why do Redis partition?

34, Do you know what Redis partition implementation scheme?

35. What are the disadvantages of Redis zoning?

Redis persistent data and cache how to do capacity expansion?

37, distributed Redis is early or late scale to do a good job? Why is that?

38. What is Twemproxy?

Which clients support consistent hashing?

40. How is Redis different from other key-value stores?

What is the memory usage of Redis?

What are some ways to reduce the memory usage of Redis?

What command is used to view the usage and status information of Redis?

What happens when Redis runs out of memory?

Redis is a single thread, how to improve the utilization of multi-core CPU?

46, How many keys can a Redis instance hold? List, Set, Sorted Set How many elements can they store at most?

Redis common performance problems and solutions?

48. What persistence methods does Redis provide?

49, How to choose the appropriate persistence mode?

50. Does Redis take effect in real time without restarting the configuration?

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