A simple split
- Warehouse or lakehouse: history, modelling, ML features.
- Streaming layer: events that must act in near real time.
- CDP: profile data needed for audiences and journeys.
Decide with four questions
- How fresh must the data be?
- Who owns the source and the schema?
- What does it cost to move and store?
- Which privacy constraints apply?
Operate it
Add data tests, pipeline alerts, cost dashboards and a documented rollback for schema changes.
Frequently asked questions
Which cloud should we choose?
Usually the one your organisation already operates well. Fit with skills, security and data location matters most.
Should all data go to the CDP?
No. Send what your use cases need and keep the rest in the warehouse.
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