A cache is supposed to shield your database. Until one expired key turns it into the weapon that takes the whole thing down.
We walk through what actually happens when a single hot key dies and 100,000 requests slam the database at the same instant, and the three moves that stop it: invalidation, Single Flight, and TTL jitter.
? Master system design the practical way at KodeKloud
Created and Produced: Aditya Chauhan
Narration: AI
#SystemDesign #Caching #Redis #BackendDevelopment #SoftwareArchitecture #Database #Scalability #CacheMissStorm #SingleFlight #TTL #Microservices #Performance #DistributedSystems #SoftwareEngineering #CodingInterview #TechShorts #DevOps #KodeKloud