We've all been there: you add Redis, and your latency drops. But have you planned for the Thundering Herd? The Problem A Thundering Herd occurs when a massive, synchronized search of processes or user requests hits a backend resource at once.
Source: [Dev.to](https://dev.to/pratik_12b3f8bf3b50e48bae/why-your-cache-wont-save-you-from-a-thundering-herd-2482)