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How do you turn a high-performance open-source database engine into a globally distributed, fully managed cloud service? In this session, we go under the hood of Azure DocumentDB (prev. Azure Cosmos DB for MongoDB vCore) and explore how it is powered by the open-source DocumentDB engine. You’ll learn how Microsoft built a multi-tenant cloud architecture around this core, including service orchestration, elastic scaling, workload isolation, and API compatibility.
To learn more, please check out these resources:
* https://aka.ms/build26-next-steps
𝗦𝗲𝘀𝘀𝗶𝗼𝗻 𝗜𝗻𝗳𝗼𝗿𝗺𝗮𝘁𝗶𝗼𝗻:
This is one of many sessions from the Microsoft Build 2026 event. View even more sessions on-demand and learn about Microsoft Build at https://build.microsoft.com
OD821 | English (US) | Cloud platform & data
Pre-recorded | (300) Advanced
#MSBuild
Chapters:
0:00 – Introduction to Abinav Rameesh and Overview of Azure DocumentDB
00:01:36 – Journey Toward Open Source and Early Development Steps
00:03:53 – Defining Project vs Product and Selecting Licensing Model (MIT License)
00:05:59 – Legal Framework, Community Adoption, and Joining the Linux Foundation
00:06:47 – Understanding the Separation Between Open Source Project and Managed Product
00:14:49 – Measuring Open Source Health: Elephant, Bus, and Heartbeat Factors
00:16:49 – Why Postgres as the Foundation and Its Extensibility for DocumentDB
00:19:38 – Managed Service Design Goals: Cheaper, Better, and Faster
00:35:00 – Demo 1: Multicloud Replication with Failover Across Azure, AWS, and GCP
00:38:33 – Demo 2: Hybrid Cloud Synchronization and Final Remarks Read More Microsoft Developer
