Designing a Cache System

Load balancing helps us scale horizontally across an ever-increasing number of servers, but caching will enable us to make vastly better use of the resources we already have. Caches can exist at all levels in architecture. A cache is like short-term memory which has a limited amount of space. The cache is typically faster than the original data source.

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A simple global Caching System

Let’s talk about different approaches first.

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