How Do I Restart Airflow Web Server?


Angela Bailey

Are you facing issues with your Airflow web server and wondering how to restart it? Don’t worry, we’ve got you covered! In this tutorial, we will guide you through the steps to restart the Airflow web server effortlessly.

Why Restarting Airflow Web Server?

Before we jump into the process of restarting the Airflow web server, let’s understand why it might be necessary. There could be various reasons for restarting the web server, such as:

  • Configuration Changes: If you have made any changes to the configuration files of your Airflow installation, a restart is usually required for the changes to take effect.
  • Performance Optimization: Restarting the web server can help improve performance and clear any accumulated memory or resource usage.
  • Troubleshooting: Restarting can often resolve issues or errors that may have occurred due to unexpected behavior.

Steps to Restart Airflow Web Server

To restart the Airflow web server, follow these simple steps:

  1. Stop the Existing Web Server Process

  2. The first step is to stop the currently running Airflow web server process. To do this, open your terminal or command prompt and navigate to your Airflow installation directory.

    Note: If you installed Airflow using a package manager like pip or conda, make sure your virtual environment is activated before proceeding with these steps.

    In your terminal, run the following command to stop the running process:

    $ airflow webserver -s

    This will stop the Airflow web server gracefully.

  3. Start the Web Server

  4. Now that the existing web server process has been stopped, it’s time to start a new instance.

    In your terminal, run the following command:

    $ airflow webserver

    This command will start the Airflow web server, and you should see the logs indicating its successful startup.

  5. Verify the Restart

  6. To ensure that the restart was successful, open your web browser and navigate to the Airflow web server URL. You should be able to access the web interface without any issues.

    If you encounter any errors or have trouble accessing the web interface, double-check your configuration files and repeat the above steps.

Congratulations! You have successfully restarted your Airflow web server. Following these steps should resolve most common issues related to the web server.


In this tutorial, we learned how to restart the Airflow web server. We discussed reasons why restarting might be necessary and provided a step-by-step guide for stopping and starting a new instance of the web server. Remember to save any configuration changes before restarting, and always verify that the restart was successful by accessing the Airflow web interface.

By following these instructions, you can ensure smooth operation of your Airflow workflow management system. Happy coding!

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