Amazon's Aurora DSQL launches serverless, multi-region SQL database with disaggregated architecture; scales to millions of transactions per second using coordination-free reads and optimistic concurrency control for cloud-scale OLTP workloads.

Aurora DSQL: Scalable, Multi-Region OLTP

View PDF Abstract:Aurora DSQL is a serverless SQL database designed for cloud-scale transaction processing with multi-region active-active capabilities. Built on a disaggregated architecture, DSQL separates compute, storage, and transaction coordination into independent, horizontally scalable services. Query processors run in Firecracker MicroVMs executing PostgreSQL-compatible SQL without local state. The system uses multiversion concurrency control with precision timestamps for coordination-fr...