Brief Overview of Caching and Cache InvalidationCaches are present everywhere: from the lowest to highest levels: There are hardware caches inside your processor cores (L1, L2, L3), Page/Disk cache that our Operating Systems Caches for databases such as using MemCached, Redis or DAX for DynamoDB API caches Layer-7 (Application layer) HTTP caches like Edge level caching in CDNs DNS caching Cache in your browser Microservices can have internal ca
