You may have noticed that the Active Roles Administration Service’s memory keeps increasing while the Active Roles Collector runs and that this memory is not released once the Active Roles Collector operation is completed.
This is a product defect and is being tracked as Defect ID 91795.
Restart the AR service after the AR Collector operation completes.
This will be fixed on a future release of the product. Please refer to this article for updates or contact Support and reference Defect ID 91795.