Raghid Bsat, data platform engineer at Dataminded, joins the Data Playbook podcast to explain why a data platform migration is 75% analysis and 25% execution. With host Kris Peeters, CEO of Dataminded, he walks through the five phases in his migration guidebook: vision, governance, discovery, execution and cutover.
They cover how to win over business stakeholders who see no reason to change a working system, when to lift and shift and when to refactor, and how migrator and validator AI agents now handle much of the execution. Raghid also shares what makes the next migration easier: tests, documentation and vendor-agnostic tooling.
Chapters:0:00 Introduction1:03 Why engineers dread migrations2:47 Why companies migrate: cost, licences and sunset products4:08 The payoff: less maintenance on the new platform5:44 The migration guidebook and its five phases7:22 Tier one and tier two migrations8:02 Phase 1: vision and success criteria11:34 Phase 2: governance and stakeholder management13:06 Lift and shift or refactor18:08 Handling new feature requests during a migration20:55 Replicate the legacy bug or fix it23:42 Phase 3: discovery and the source-to-target dependency map29:22 When the source systems are deprecated too32:31 Phase 4: execution with AI agents35:54 Validation and faster feedback loops38:17 Phase 5: cutover and decommissioning41:53 How to reduce future migrations45:20 Data problems are social problems
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