Web UI — Spark Application’s Web Console
Web UI (aka Application UI or webUI or Spark UI) is the web interface of a Spark application to monitor and inspect Spark jobs in a web browser.
Figure 1. Welcome Page of web UI — Jobs Tab
The default port can be changed using spark.ui.port configuration property.
web UI comes with the following tabs (pages):
|You can use the web UI after the application has finished by persisting events (using EventLoggingListener) and using Spark History Server.|