Posted On: Mar 25, 2021
Amazon ElastiCache for Redis now supports running clusters with high availability across multiple AWS Local Zones. AWS Local Zones are an extension of an AWS Region where you can run your latency-sensitive applications using AWS services in geographic proximity to end-users. Previously, Amazon ElastiCache for Redis only supported launching a cluster in a single AWS Local Zone.
Support for launching your Amazon ElastiCache for Redis cluster across multiple AWS Local Zones enables you to configure your cluster with high availability. In the unlikely event of a specific AWS Local Zone outage, Amazon ElastiCache will failover and promote a read-replica node in other AWS Local Zones to continue serving traffic for your applications. To learn more about ElastiCache support for Local Zones click here.
To launch a cluster with nodes in multiple AWS Local Zones, create a new cluster using the Amazon ElastiCache Management Console, CLI or SDK. To scale out an existing cluster to have nodes in multiple AWS Local Zones, upgrade your existing cluster using the Amazon ElastiCache Management Console , CLI or SDK.