For the past few days I've been experimenting with Apache Nifi. Nifi is a scalable, visual programming tool for developing and running data migration, transformation, and processing dataflows within and among systems. Dataflows are built by dropping pre-built processors on a canvas, configuring them, and connecting their inputs and outputs as necessary. Each processor is … Continue reading Apache Nifi – Part 1 →

In my last blog about Nifi, I demonstrated a simple dataflow to obtain current weather data from Open Weather Map and write it to a JSON file. Recall the overview of the dataflow shown in the figure below. Nifi dataflow to query http://www.openweathermap.org for local weather, save data as JSON, and display results in web … Continue reading Apache Nifi – Part 2 →