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Understanding ElastiCache for Redis

Understanding ElastiCache for Redis - Amazon Web Services (AWS) Tutorial

From the course: AWS: High Availability

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Understanding ElastiCache for Redis

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- [Instructor] ElastiCache also supports Redis, another open source in-memory caching tool. As with ElastiCache Memcached, ElastiCache for Redis offers compatibility with the Redis engine. ElastiCache for Redis is a completely managed service with all of the benefits and trade offs that implies. Unlike Memcached, it is possible to scale Redis vertically or horizontally. This implies the ability to run across multiple availability zones to improve availability. Of great significance is the fact that global data store allows read replicas of an ElastiCache for Redis cluster to be available in other regions. If you have truly global availability needs, this is a simply remarkable service offering. While a Memcached cache is read only, Redis allows for both read and write activity. As such, a fault tolerant design is a bit more complicated. If you need durability across Redis clusters, you'll want to use the append only…

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