ElastiCache

You can consider inserting a cache for your database in order to reduce the load on your RDS instance. This introduces another piece to your infrastructure and is also necessary for changing the software code in order to make it possible to use the cache instead of the RDS only. Depending on the type of data that you need to save in it, the AWS ElastiCache service available at https://aws.amazon.com/elasticache/ provides two types: Redis and Memcached

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