Adding a cache is not as simple as it may seem...

Knowing what the expect and how to mitigate the issues with caching is the first step towards a successful caching implementation.

Adding a cache is usually a good way to reduce load on your database, but it does come at the cost of increased complexity. This video looks at the most commong caching pattern, and the problems that can occur.

This video was sponsored by Aiven. Their platform is used in the video for a free tier of Redis and PostgreSQL.

To get your own free Redis and PostgreSQL instance, sign up at https://go.aiven.io/dreamsofcode

#postgres #redis #caching

GitHub Project:
https://github.com/dreamsofcode-io/spellbook

The information in this video is found in this whitepaper by AWS.
https://docs.aws.amazon.com/whitepapers/latest/database-caching-strategies-using-redis/caching-patterns.html

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00:00:00 Intro
00:00:35 Cache Aside
00:01:01 Implementation
00:06:52 Cache Invalidation
00:07:28 Eviction Policy
00:09:15 Key Expiration
00:10:37 Write-Through Caching
00:12:49 Outro