An e-commerce platform is experiencing traffic spikes during flash sales, leading to slow page loads and transaction processing. They want to implement a caching layer to reduce the load on their primary database. Which AWS service should the platform use to improve performance during these periods of high demand?
Amazon ElastiCache is the optimal solution for this scenario because it provides a high-performance, in-memory caching service designed to decrease database load by retrieving information from fast, managed, in-memory caches, rather than relying solely on slower disk-based databases. ElastiCache supports two open-source in-memory engines: Redis and Memcached. In contrast, Amazon RDS and Amazon DynamoDB are durable database services that store data on disk instead of memory and would not directly address the requirement for a caching layer to improve read performance during high traffic periods. Amazon S3 is an object storage service, which is not suitable for use as an in-memory caching layer.
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