Planning a NiFi 2 Cutover with a Rehearsed Rollback
September 29, 2026 · Weirpath
Why a parallel NiFi 2 cluster beats an in-place upgrade, how to move flows in groups, and what a rollback you have actually rehearsed looks like.
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Rewriting ExecuteScript Components for NiFi 2
September 22, 2026 · Weirpath
NiFi 2 drops several scripting languages from its scripted components. How to decide whether each script becomes Groovy, a Python processor or a small Java processor.
Read moreMoving from NiFi XML Templates to Versioned Flows
September 15, 2026 · Weirpath
NiFi 2 drops XML templates. How to get template-managed flows into a registry with a clean history, while you are still on 1.x.
Read moreBuilding a Component Inventory Before a NiFi 2 Upgrade
September 8, 2026 · Weirpath
The upgrade estimate depends on which processors, controller services and scripts your flows actually use. How to build that list from a running 1.x estate.
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