🔗Data Lineage in Toucan

The data lineage feature in DataHub allows you to visualize relationships between datasources, datasets, homes, stories, and filter elements that fuel your applications/dashboards. This guide provides detailed information on how to access and interact with the data lineage UI.

Accessing Data Lineage

To access the data lineage view:

1. Click on the lineage logo in the header of the DataHub interface.

Default Display Elements

By default, the following elements are displayed:

• Datasources

• Datasets

• Files

Menu Bar Options

A menu bar is located at the bottom left of the screen to help you customize your view:

• Zoom In/Out: Adjusts the size of the displayed elements.

• Center: Recenters the display.

• Display/Hide:

  • Datasources

  • Datasets

  • Filters

  • Stories and home elements

Mini map

A mini map is located at the bottom right of the screen to help you locate the elements displayed in the view

Element Interaction

Clicking on an element opens a contextual menu with available actions:

For datasources, homes, stories, and filters:

• Access and copy the ID of the element.

For datasets:

• Preview: Displays a preview of the dataset.

• Edit (if applicable): Allows you to edit the dataset if it is editable.

• Access and copy the ID of the element.