Amazon's own [[NoSQL]] database.
Fully managed, and supports both document and key/value data models.
Stored on SSD storage, spread across 3 geoegraphically distinct data centers.
By default, it has eventually consistent reads [[20220131033026-aws-dynamodb-reads]]
DynamoDB Accelerator (DAX) Fully managed highly availble in-memory cache 10x performance improvement Reduces request time from millisecond to microseconds Can act as a middleware cache, so you don't have to manage hitting a cache vs dynamoDB.
On-demand capacity Pay-per-request pricing Balance cost and performance Pay more per request than with provisioned capacity
Security Encryption at rest using KMS
Two different types of backups