Using change data capture to perform flexible aggregations with DynamoDB and Druid
DynamoDB is often a perfect fit as the primary, operational system of record store for many types of application. It is fast, maintenance free and (if you use it well) economical. However it cannot perform aggregations or provide analytics on the data it holds. Reflecting the same data in another store like Apache Druid is commonplace. The below video demonstrates this idea in operation. The DynamoDB system of record is updated and Apache Druid is then used to perform aggregations on up to date values....