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Top 23 Redis Interview Questions and Answers

29/Sep/2020 | 10 minutes to read

QFLES is listing some Essential Redis Interview Questions and Answers for Freshers and mid level of Experienced Professionals prepared by Industry Experts. All answers for these Redis interview questions are given based on standard documents and tried to explain in simple and easiest way.

Best Answers to Redis Interview Questions

1. What is Redis?

2. Explain in-memory database.

3. What are the advantages and disadvantages of redis?

4. How redis manage the data in case of system crash?

5. How to achieve data persistence by AOF(Append-only files)?

6. How to achieve data persistence by Snapshotting?

7. Why Redis is used?

8. How to use Redis Pipelining to speedup the queries?

9. Explain Pipelining VS Scripting.

10. How to implement client side caching in Redis?

11. How to use Redis as LRU cache?

12. What is Partition and why it is useful?

13. What are the data types in Redis?

14. Explain Redis Lists (Linked Lists) and some operations.

15. Explain Sets and Hashes operations in Redis.

Some General Interview Questions for Redis

1. How much will you rate your self in Redis?

When you attend an interview, Interviewer may ask you to rate your self in specific Technology like Redis, So It's depend on your knowledge and work experience in Redis.

2. What challenges did you face while working on Redis?

This question may be specific to your technology and completely depends on your past work experience. So you need to just explain the challenges you faced related to Redis in your Project.

3. What was your role in last Project related to Redis?

It's based on your role and responsibilities assigned to you and what functionality you implemented using Redis in your project. This question is generally asked in every interview.

4. How much experience do you have in Redis?

Here you can tell about your overall work experience on Redis.

5. Have you done any Redis Certification or Training?

It's depend on candidate like you have done any Redis training or certification. Certifications or trainings are not essential but good to have.


We have covered some frequently asked Redis Interview Questions and Answers to help you for your Interview. All these Essential Redis Interview Questions are targeted for mid level of experienced Professionals and freshers.
While attending any Redis Interview if you face any difficulty to answer any question please write to us at Our IT Expert team will find the best answer and will update on portal. In case if we find any new Redis questions, we will update the same here.

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