I’m rebuilding an e-commerce mobile app side project (WooToApp) that requires payment for orders created. The initial gateway is Paypal, but it’s an important part of the mobile app that there could be many more gateways, so the architecture needs to be re-usable and secure. Basic architecture Assumptions We need to assume that the mobile […]
Monthly Archives: October 2019
RCU and WCU (Read Capacity Units, Write Capacity Units) and DynamoDB
RCU: 1 read per second of 4kb STRONG RCU: 2 read per second of 4kb EVENTUAL WCU: 1 write per second for 1kb.