Practical insights on data engineering, AI in production, analytics, and cloud; written by the GD Data engineering team.https://gddata.io/enhttps://gddata.io/blog/zero-downtime-migration/https://gddata.io/blog/zero-downtime-migration/Big-bang migrations are how projects fail. A phased, reversible approach keeps the business running while you modernise underneath it.Sat, 08 Aug 2026 00:00:00 GMTCloud MigrationArchitecturehttps://gddata.io/blog/rag-in-production/https://gddata.io/blog/rag-in-production/A retrieval-augmented generation demo takes an afternoon; a reliable production RAG system takes real engineering. Here is what separates the two.Wed, 29 Jul 2026 00:00:00 GMTAI & Machine LearningLLMhttps://gddata.io/blog/data-contracts/https://gddata.io/blog/data-contracts/Silent schema changes are the number one cause of broken pipelines. Data contracts turn those failures into caught, owned, and versioned changes; here is how to adopt them.Wed, 15 Jul 2026 00:00:00 GMTData EngineeringReliability