CACHING IN: DEFINING, OPTIMIZING, AND INVALIDATING YOUR CACHE

Summary from the TLDR Web Dev newsletter

Caches need to be maintained and updated. The process of cache invalidation can be challenging due to factors like thundering herds (a sudden surge of requests) and cache inconsistency (different parts of the data updating at different times). To handle cache invalidation properly, it's important to prioritize using a robust invalidation protocol and manage data dependencies.