Amazon ElastiCache

CHOOSE IT WHEN

What job does it solve?

Reusable hot data can reduce latency and load on a source of truth.

DO NOT CONFUSE IT WITH

Where does it stop?

The cache is being treated as the only durable authoritative store.

COMPARE NEXT

Closely related services

• Amazon RDSManaged relational database engines with automated infrastructure operations.
• Amazon DynamoDBServerless key-value and document database designed for predictable low-latency access at scale.
• DynamoDB AcceleratorA managed in-memory cache built specifically for DynamoDB-compatible reads.

IN THIS COURSE

Lessons that mention it

• Lesson 13Match each workload to the right AWS service
• Lesson 18Choose the right front door—and cache only safe data
• Lesson 21Database access patterns, types, and capacity models
• Lesson 22Relational engines, replicas, connections, and proxies
• Lesson 23Database caching, invalidation, and source-of-truth boundaries

OFFICIAL AWS SOURCE

Verify and go deeper