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|Initial release||August 22, 2011.|
Amazon ElastiCache is a fully managed in-memory data store and cache service by Amazon Web Services (AWS). The service improves the performance of web applications by retrieving information from managed in-memory caches, instead of relying entirely on slower disk-based databases. ElastiCache supports two open-source in-memory caching engines: Memcached and Redis (also called "ElastiCache for Redis").
As a web service running in the computing cloud, Amazon ElastiCache is designed to simplify the setup, operation, and scaling of memcached and Redis deployments. Complex administration processes like patching software, backing up and restoring data sets and dynamically adding or removing capabilities are managed automatically. Scaling ElastiCache resources can be performed by a single API call.