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Caching enables you to store data in memory for rapid access. Applications can access the cache and not have to retrieve the data from the original source whenever the data is accessed. This avoids repeated queries for data, and it can improve performance and scalability. In addition, caching makes data available when the data source is temporarily unavailable.

Lazy cache is a simple in-memory caching service. It has a developer friendly generics based API, and provides a thread safe cache implementation that guarantees to only execute your cachable delegates once (it's lazy!). Under the hood it leverages Microsoft.Extensions.Caching and Lazy to provide performance and reliability in heavy load scenarios.