1. A web service called ElastiCache is used to set up, manage, and expand an in-memory cache in the cloud.
2. By allowing you to access data from a quick, managed in-memory cache instead of only relying on slower disk-based databases, it enhances the performance.
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3. For instance, if you run an online business, clients frequently ask for details about a specific product. ElastiCache can be used to cache the data so that the front-end does not constantly go and request information about a product.
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