How to access the Apache Spark™ UI

Reviewed on December 04, 2025

This page explains how to access the Apache Spark™ UI of your Data Lab for Apache Spark™ cluster.

Before you start

To complete the actions presented below, you must have:

A Scaleway account logged into the console
Owner status or IAM permissions allowing you to perform actions in the intended Organization
Created a Data Lab for Apache Spark™ cluster
Created an IAM API key

Click Data Lab under Data & Analytics on the side menu. The Data Lab for Apache Spark™ page displays.
Click the name of the desired Data Lab cluster. The overview tab of the cluster displays.
Click the Open Apache Spark™ UI button. A login page displays.
Enter the secret key of your API key, then click Authenticate. The Apache Spark™ UI dashboard displays.

From this page, you can view and monitor worker nodes, executors, and applications.

Refer to the official Apache Spark™ documentation for comprehensive information on how to use the web UI.