ICacheRefresher

This section describes what ICacheRefresher and ICacheRefresher<T> are and how to use them to invalidate your cache correctly including load balanced environments

What is an ICacheRefresher

This interface has been in the Umbraco core for a significant period. However, it has really only been used to ensure that content cache is refreshed among all server nodes participating in a load balanced scenario.

An ICacheRefresher is the primary method that invalidates any cache needing refreshment or removal. This applies regardless of a load balanced environment.

There are now a few different types of ICacheRefreshers in the Umbraco core. It is important to understand the differences between them and how cache invalidation works across multiple server nodes.

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