WHITEPAPER DataStax Astra DB Designing a Serverless Cloud-Native Database-as-a-Service Based on Apache CassandraTM Astra DB is a globally distributed, serverless, multi-model database service built by DataStax to satisfy the needs of users on their cloud provider of choice. It is the first and only serverless and multi-region database service that is based on an open-source NoSQL database, namely Apache Cassandra. In this paper, we share our experience, rationale and lessons learned of adapting Cassandra into a multi-tenant database to serve the serverless needs of Astra users. We present a novel microservices-based, cloud-native architecture that integrates natively with Kubernetes to bring true, safe, stateful workloads to the cloud-native age. This design enables fine-grained, elastic s

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