Redis Interview Questions

Redis Interview Questions

  • Aarush Shukla
  • 30th Nov, 2022

About Redis

Redis is an open source (BSD licensed), built in-memory data structure store, utilized as a database, cache and message broker. Redis supports multiple data structures such as strings, hashes, sorted sets, lists, sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius stream sand queries. It has a lot of built-in replication, LRU eviction, Lua scripting and verity of levels on-disk persistence technique, and provides high availability of resources via Redis Sentinel and automatic partitioning with Redis Cluster implemented.

Redis Interview Questions

1) What is Redis?

2) What are the benefits of Redis?

3) What are the advantages of using memcache over Redis?

4) List some advantages of Redis?

5) What are the most economic redis cloud hosting service providers?

6) What are 5 mistakes to avoid when using Redis?

7) How scalable is Redis?

8) In which language Redis is written?

9) How does Elasticsearch compare with Redis?

10) What is the difference between Redis and PostgreSQL?

11) What are the disadvantages of Redis?

12) Is the Redis database stored permanently?

13) Which is better than Redis or NCache?

14) How do I delete multiple keys in Redis?

15) Why is Redis written in C, not C++?

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