Category: Learning

  • Getting started with NiFi’s ScriptedReader by processing Key Value Pairs – Part 1

    Records have become an integral part of working with NiFi since their introduction on May 8th, 2017 with the release of NiFi 1.2.0. They allow us to treat our data as more than just a bunch of bytes, giving NiFi the ability to better understand and manipulate common data formats used by other tools. However, […]

  • NiFi Terminology Basics

    This post is going to cover the basic terminology that you’ll need to know for working with NiFi. Canvas The Canvas is the free grid space on which you create your Flow. It is accessed through the NiFi Web UI. You build Flows by dragging Processors on to the Canvas. Controller Service A Controller Service […]

  • Installing NiFi 1.14.0 on Linux (non-production)

    This post is going to walk through installing the latest release of NiFi on a Linux host (Fedora). This latest release is version 1.14.0 and an important change is that NiFi is now secure by default. This means that HTTPS is enabled out of the box (with self signed certs), user authentication is required and […]

  • Importing individual flow definitions in NiFi

    While I recommend you Version Control & Deploy flows with NiFi Registry you can also quickly import flow definition json files straight from the NiFi GUI. This post will quickly demonstrate how. To get some json files to work with, clone my nifi-snippets repo that contains all of the NiFi flow demos that I have […]

  • NiFi Resources For Learning & Improving

    It’s always a bit of a learning curve to get started with any new tool, not to mention keeping up to date with a tool that is under heavy active development. Here’s a list of invaluable resources to consult: NiFi Anti-Pattners by Mark Payne Mark Payne is the co-creator of NiFi and has a running […]