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Caching is a technique that has been widely used to improve software performance. When we integrate a caching system into our application, our goal is to minimize the number of times we need to access data from the original source, such as the database or web service. However, if we don’t have effective cache invalidation strategies in place, we risk returning stale data to our users. In this article, we’ll explore the different types of cache invalidation strategies and how to implement them ef...