12 questions for “Lists in Redis”

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Redis Lists in Redis 7 Redis Redis as a Message Queue 3 Redis RedisJSON 1

Information Technology

12 questions in 1 technology

#	Question	Technology	Topic	Level
1	How would you implement a reliable queue pattern using Redis lists that prevents losing a task if the worker processing it crashes? Redis › Lists in Redis	Redis	Lists in Redis	Advanced
2	How does the internal encoding of Redis lists change as they grow, and what performance implications does this have? Redis › Lists in Redis	Redis	Lists in Redis	Advanced
3	How do you trim a Redis list to keep only a specific number of the most recent items, discarding older entries automatically? Redis › Lists in Redis	Redis	Lists in Redis	Intermediate
4	How do you retrieve a range of items from a Redis list without removing them? Redis › Lists in Redis	Redis	Lists in Redis	Beginner
5	How do you implement a simple first in first out queue using a Redis list? Redis › Lists in Redis	Redis	Lists in Redis	Intermediate
6	What does the BLPOP command do, and how is it useful for building a worker process that waits for new tasks? Redis › Lists in Redis	Redis	Lists in Redis	Intermediate
7	What is a Redis list, and how do you add items to either end of it? Redis › Lists in Redis	Redis	Lists in Redis	Beginner
8	What options does Redis offer for implementing a message queue, and how do they differ from each other? Redis › Redis as a Message Queue	Redis	Redis as a Message Queue	Beginner
9	How do you build a simple work queue using a Redis list where multiple workers pull tasks to process? Redis › Redis as a Message Queue	Redis	Redis as a Message Queue	Beginner
10	What are the limitations of using a plain Redis list as a message queue, and when should you consider Redis Streams instead? Redis › Redis as a Message Queue	Redis	Redis as a Message Queue	Intermediate

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