ElastiCache
ELI5 — The Vibe Check
It's like AWS said 'we know you love Redis and Memcached, but hate managing servers, so here — we'll babysit them for you.' ElastiCache is managed caching that handles patching, backups, and failover while you just throw data at it. It's the hotel minibar of caching — convenient but pricier.
Real Talk
AWS's fully managed in-memory caching service supporting Redis and Memcached engines. It handles provisioning, patching, monitoring, and failover while providing sub-millisecond latency for read-heavy workloads. Supports Redis Cluster mode for horizontal scaling.
When You'll Hear This
"ElastiCache Redis sits between our API and database — cache hit rate is 94%." / "We use ElastiCache Serverless now so we don't even think about node sizes."
Related Terms
Aurora Serverless
Imagine a database that falls asleep when nobody's using it and wakes up instantly when traffic arrives — like a cat that somehow costs you nothing while n
DynamoDB Streams
DynamoDB Streams is like putting a security camera on your database table.
Redis Cluster
One Redis server is fast. But what if you need MORE fast? Redis Cluster takes your data and spreads it across multiple Redis nodes using hash slots, like d