AWS DynamoDB

https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/CheatSheet.html

s3 import - eco

backup - restore

archive data - storage cost

https://aws.amazon.com/blogs/devops/build-real-time-feature-toggles-with-amazon-dynamodb-streams-and-amazon-api-gateway-websocket-apis/

https://aws.amazon.com/blogs/database/tuning-aws-java-sdk-http-request-settings-for-latency-aware-amazon-dynamodb-applications/ https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.Lambda.html