Large database migrations are where good planning either pays off or falls apart. In a MongoDB-compatible estate with thousands of collections, the hard part is not only moving data. It is deciding what to move, what to defer, how to sequence the work, and how to keep the system stable while ingestion is running at full speed. That is exactly wha...

We are happy to share that online migration in the Azure DocumentDB Migration extension for VS Code is now Generally Available. Back in November 2025, we launched the Public Preview and since then, many customers have put it through its paces with all kinds of MongoDB workloads. Based on what we learnt from those real migrations (the issues they hi...