For years, database administrators and data architects have played a balancing act. If you want open-source flexibility, you choose PostgreSQL. If you want massive cloud scale and low-latency throughput, you end up looking at proprietary cloud-native architectures. Microsoft is bridging that gap entirely with Azure HorizonDB —a fully managed, AI-ready, cloud-native database built directly on open-source PostgreSQL. For the community here at youngdba.com, HorizonDB represents a massive shift in how we think about storage engines, high availability, and AI integration. Let’s break down the architecture that makes this service a game-changer for modern data pipelines. The Architectural Blueprint: Disaggregated & Log-Centric Traditional databases often couple compute and storage, leading to I/O bottlenecks during heavy scaling or checkpointing. HorizonDB rewrites the playbook by using two core foundational principles: Separation of Compute and Storage: Compute resources (vCores an...
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