Question: How can I scale up an ElastiCache instance?
Scaling up an Amazon ElastiCache instance involves increasing the capacity of your cache cluster. This could mean adding more nodes to a cluster, or scaling vertically by selecting a larger node type.
There are two ways to scale up your ElastiCache for Redis:
You can change the node type to a larger one using the AWS Management console, AWS CLI, or SDKs. Please keep in mind that the scaling operation replaces existing nodes with new nodes and may lead to some downtime.