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Amazon ElastiCache Documentation # Amazon ElastiCache for Redis

一、其中的一些内容对于部署是有借鉴参考价值的。

二、原文的内容, 主要是基于Redis的两种部署方式来展开讨论的:

部署方式 shard数量
Redis (cluster mode disabled) clusters 一个shard
Redis (cluster mode enabled) clusters up to 500 shards

Choosing regions and availability zones

AWS Cloud computing resources are housed in highly available data center facilities. To provide additional scalability and reliability, these data center facilities are located in different physical locations. These locations are categorized by regions and Availability Zones.

NOTE:

物理隔离