Engineering Radar

Architecture

Architecture and distributed-systems developments — consensus, storage engines, consistency models, and the design trade-offs behind them — read at Staff and Principal scope.

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Architecture

HighEvaluate

Aurora DSQL makes active-active, strongly-consistent multi-region a managed default

AWS expanded its serverless distributed SQL database — active-active across regions with a writable endpoint in each and strong consistency — turning a hard distributed-systems problem into a Postgres endpoint.

Jul 31StaffPrincipalArchitect

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Architecture

HighEvaluate

PostgreSQL 18 lands an asynchronous I/O subsystem

PG18's new async I/O subsystem shows up to 3× faster reads from storage, alongside virtual generated columns and a native UUIDv7 function.

Sep 25, 2025StaffPrincipalArchitect

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