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Apache Airflow vs Apache NiFi

A side-by-side comparison of two self-hosted automation & workflows options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
AP Apache Airflow Programmatically author, schedule and monitor workflows VS AP Apache NiFi Visual dataflow automation and routing system
FeatureApache AirflowApache NiFi
Deploy effortUnder-an-hour setupUnder-an-hour setup
Health score100 · Excellent91 · Excellent
CategoryAutomation & WorkflowsAutomation & Workflows
LicenseApache-2.0Apache-2.0
LanguagePythonJava
Setup difficultyHardHard
Min. RAM4,096 MB2,048 MB
Deploymentdocker, kubernetes, helmdocker, kubernetes, bare-metal
GitHub stars★ 46,957★ 6,242
First released20152014
ReplacesAWS Step Functions, Azure Data FactoryAzure Data Factory, Zapier

What are Apache Airflow and Apache NiFi?

Apache Airflow

Apache Airflow is a platform to author, schedule and monitor workflows as directed acyclic graphs of tasks. It is widely used for data engineering pipelines and complex job orchestration.

  • Workflows defined as Python code
  • Rich scheduling and dependency management
  • Extensive operator and provider ecosystem
  • Web UI for monitoring DAGs

Read the full Apache Airflow guide →

Apache NiFi

Apache NiFi is a system to automate the flow of data between systems through a drag-and-drop interface. It supports routing, transformation and mediation of data with strong provenance tracking.

  • Drag-and-drop dataflow design
  • Detailed data provenance
  • Hundreds of built-in processors
  • Backpressure and prioritized queuing

Read the full Apache NiFi guide →

Apache Airflow vs Apache NiFi: key differences

Apache Airflow is written in Python, while Apache NiFi is built with Java. Apache NiFi is the lighter option, starting around 2,048 MB of RAM against 4,096 MB for Apache Airflow. Apache Airflow has the considerably larger community, at 46,957 GitHub stars versus 6,242.

Why pick each one

Choose Apache Airflow if…

  • Industry standard for data pipelines
  • Huge ecosystem

Watch out for

  • Heavy to operate
  • Steep learning curve
Apache Airflow details

Choose Apache NiFi if…

  • Powerful visual dataflow
  • Strong data lineage

Watch out for

  • Resource heavy
  • Complex for simple tasks
Apache NiFi details

Frequently asked questions

Is Apache Airflow or Apache NiFi better?

Neither is universally better. Apache Airflow has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.

Are Apache Airflow and Apache NiFi free and open-source?

Yes. Apache Airflow is licensed under Apache-2.0 and Apache NiFi under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Apache Airflow and Apache NiFi with Docker?

Apache Airflow: yes. Apache NiFi: yes.

Which is lighter on resources, Apache Airflow or Apache NiFi?

Apache NiFi has the smaller minimum footprint at 2,048 MB of RAM, compared to about 4,096 MB for Apache Airflow. Real-world usage depends on library size, user count, and enabled features.

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