Redis
- Multi AZ
- auto failover
- read replicas
- Data durability using AOF persistence
- back and restore features
Elastic cache for Redis
- in-memory data store
- sub-millisecond latency
- used for real-time application
- supports replication, high availability and cluster sharding
- HIPAA eligible
- PCI DSS compliant
Redis Auth
- you can set a “password/token” when you create a Redis cluster.
- Extra level of security for your cache (on top of SecurityGroup)
- support SSL in flight encryption.
Use cases
Sorted sets
- added elements are ranked and sorted in real time