Developers not setting key expiration times

6/10 Medium

Keys in Redis don't expire by default, leading to memory leaks and performance degradation when developers forget to set TTL values. This is a recurring developer mistake that requires constant vigilance.

Redis

Sources

https://moldstud.com/articles/p-what-are-some-common-mistakes-developers-make-when-using-redis-and-how-can-they-be-avoided

Collection History

Query: “What are the most common pain points with Redis for developers in 2025?”3/30/2026

By default, keys in Redis will never expire unless explicitly deleted by the developer. This can lead to memory leaks and performance issues, especially when storing large amounts of data in Redis.

Created: 3/30/2026Updated: 3/30/2026