Using IMemoryCache to cache data in-memory using .NET 5 [An Introduction]

Using IMemoryCache to cache data in-memory using .NET 5 [An Introduction]

I am going to walk through how to cache data in-memory using the IMemoryCache interface in .NET 5.

In this video, I am going to walk through how to cache data in-memory using the IMemoryCache interface in .NET 5.

Caching is a very useful mechanism to easily increase the performance of any application.

Previously I have covered topics on distributed cache services.

An introduction to Memcached, a distributed caching server: https://youtu.be/yQ8Kwx9M_Hg

An introduction to Redis, a distributed caching server: https://youtu.be/qYBaMFHeom8

  • 00:05 - Introduction of what is caching
  • 02:45 - Explain the problem domain
  • 03:34 - Create a new class for implementing cache using IMemoryCache
  • 04:55 - Get an item from the cache using a key
  • 05:50 - Add item to the cache
  • 06:50 - Different overloads for adding cache
  • 07:15 - Elaborate MemoryCacheEntryOptions object
  • 07:35 - Explaining cache expiration and difference between sliding and absolute expiration policy
  • 09:20 - Explanation of how to avoid stale data forever when using sliding expiration
  • 10:15 - What is a post-eviction callback and how it can be useful
  • 11:00 - Cache priority
  • 11:15 - Size of the cache entry
  • 11:50 - Mechanism I follow to add items to the cache using TryGetValue method
  • 13:40 - Configuring dependency injection for IMemoryCache
  • 14:05 - Explaining the overloads for AddMemoryCache extension method for adding IMemoryCache to the dependency injection
  • 15:00 - explaining CompactionPercentage property
  • 16:05 - Update the API to use the cache provider to get data
  • 17:05 - Debug through the code and explain how the feature is working

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