In this post, we show you how to save costs on Amazon ElastiCache by upgrading your cluster engine to ElastiCache for Valkey. If you’re currently using ElastiCache for Redis OSS, you can achieve up to 60% cost savings by upgrading to
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https://aws.amazon.com/blogs/database/reduce-your-amazon-elasticache-costs-by-up-to-60-with-valkey-and-cudos/