Amazon MemoryDB for Redis

Amazon MemoryDB for Redis is a Redis compatible in-memory primary database that stores the entire datasets in memory across multiple computational nodes. It delivers ultra-fast performance and Multi-AZ durability, allowing microseconds read and single-digit milliseconds write latency. We can build applications quickly by using Redis flexible and friendly data structures and APIs. MemoryDB for Redis stores data using Multi-AZ transactional logs, enabling MemoryDB to deliver Multi-AZ durability for fast database recovery and restart.

Core components

MemoryDB for Redis works in cluster formation. Each cluster consists of shards that contain nodes. Let’s briefly look at these core components of MemoryDB for Redis cluster.

• Nodes: A node is an EC2 instance that runs a particular version of the Redis engine ...