Execution Plans

Plan Visualization Tool

Flink provides a visualization tool for execution plans, which takes a JSONrepresentation of the job execution plan and visualizes it as a graph with complete annotations of execution strategies.

To visualize the execution plan, do the following:

• Paste the JSON string into the text field, and
• Press the draw button.After these steps, a detailed execution plan will be visualized.

Flink offers a web interface for submitting and executing jobs. The interface is part of the JobManager’sweb interface for monitoring, per default running on port 8081.

You may specify program arguments before the job is executed. The plan visualization enables you to showthe execution plan before executing the Flink job.