The Operation>Database Reports section of the docs is quite long and should be split into the following sections (note also that the content probably needs to be updated):

Database Reports

• Overview

  • Limitations

• Manage reports

  • Modify existing reports

  • Add a custom report

  • Disable scheduler

• Jaspersoft Studio use

  • Connect to the Horizon database

  • Use Measurements Datasource and Helpers

• Access Performance Data

  • Fields

  • Parameters

• Helper methods

  • Node source descriptor use

  • Interface descriptor use

  • HTTPS use

• Create PDF reports from Grafana dashboards using Horizon

  • Before you begin

  • Configure the Grafana endpoint

  • Create a PDF of a Grafana dashboard