DynamoDB Accelerator (DAX)
- Seamless cache for DynamoDB, no application re-write
- Writes go though DynamoDB Accelerator (DAX) to DynamoDB
- Micro second latency for cached reads & queries
- Solves the [[Hot Key problem]] (too many reads)
- 5 minutes TTL for cache by default
- Up to 10 nodes in the cluster
- [[Multi AZ]] (3 nodes minimum recommended for production)
- Secure (Encryption at rest with AWS KMS (Key Management Service), VPC Summary, IAM, CloudTrail)