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titleThe Timeline is not displayed at package level by default

By default, historical information is not kept on directories/packages and therefore the timeline has no values to display below the project or module level. This can be changed by logging in as an a System administrator, going to Settings > General Settings > Database Cleaner and setting the Clean history data of directories/packages property to false. This Note that this will increase the volume of data to be stored in the database.


Default Dashboard

A default Time  Time Machine dashboard comes out-of-the-box. This is a combination of Timeline and History Table widgets:


What are Tendencies?


It is possible to configure the tendencies by logging in as an a System administrator and going to Settings > General Settings > Differential Views. To configure the number of days used to compute tendencies, set the Tendency period property to the desired number of days. Default is 30.

Managing History

Whatever the reason (wrong quality profile, issue with analysis, etc.), it is possible to remove a snapshot to polish the Time Machine widgets. Note that the last snapshot can never be deleted.

titleAbout deleting snapshots

Deleting a snapshot is a 2-step process:

  • The snapshot must first be removed from the project history by clicking on "Delete snapshot". It won't be displayed any more anymore on this "History" page but will still be present in the database.
  • The snapshot is actually deleted during the next project analysis.

At project level, go to Configuration > History.

For every snapshot, it is possible to manually:


These settings can be changed at Settings > General Settings > Database Cleaner.

Removing Ghost Projects

See Bulk Deletion documentation page.