**Architecture**: Logic Apps for triggers, approvals, lightweight orchestration; ADF for data movement and heavy transforms. Logic Apps calls ADF via HTTP (Execute Pipeline). **Latency**: Logic App adds 1–5+ seconds per action. Chaining many steps = additive latency. Use Logic App only for trigger + optional approval; let ADF do the work. **Async**: ADF pipeline runs async; Logic App gets run ID, doesn't wait. For status, poll or use webhooks....
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