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,… Continue reading Getting started with NiFi’s ScriptedReader by processing Key Value Pairs – Part 1

S3 Event Notifications in NiFi

The desire to pull newly uploaded files from storage is common, and typically the ListFile -> FetchFile pattern has been used in NiFi to monitor for, and then pull, new files as they arrive. Taking NiFi in to the cloud means that we’re often working with cloud object storage, like Amazon S3. While we can… Continue reading S3 Event Notifications in NiFi

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… Continue reading Importing individual flow definitions in NiFi

Kafka with multiple Listeners and SASL

This will quickly discuss how to configure multiple Listeners, with the intent of having a unique Listener for External/Client traffic and another for Internal/Inter-broker traffic (and how this can be done with Cloudera Manager which requires a slight work-around in the current versions pre-2021). There’s several valid use cases for multiple Listeners. In this case,… Continue reading Kafka with multiple Listeners and SASL