Amazon ElastiCache Redis Memcached
Managed In-Memory Caching
Improve application performance with sub-millisecond latency caching.
Cache Engines Comparison
Redis 6.2+: - Data structures (lists, sets, hashes) - Pub/Sub messaging - Lua scripting - Multi-AZ with auto-failover Memcached: - Simple key-value only - Multi-threaded, higher throughput - No persistence - Manual failover only Node Types: Cache.t3.micro (free tier eligible) Cache.m5.large (production)
Key Features
- Redis AUTH/SASL security
- Encryption in-transit/rest (Redis only)
- Backup/restore (Redis snapshots)
- CloudWatch metrics integration
- Max 500 nodes per cluster