Elasticache

💡 you should use Amazon ElastiCache when you need to cache frequently accessed data and improve application performance for **read heavy** workloads with **low latency** requirements

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• In-Memory database… high performance
• not persistence ⇒ ephemeral data
• provides a managed implementation of the redis or memcached engine
• reduces database workloads
• requires application code changes
• allowing for storing externally hosted user session state (stateless servers)

Redis vs memcached

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