If you notice when an unmanaged node does not show gaps in the resources and charts like you would expected. It could be caused by a number of things.However, restarting all the services has been shown to resolve this issue.
Currently we do not have a specific cause isolated but there could be worker jobs that are hung up or even the MSMQ could be overloaded. In which case, stopping and starting the services would clear them out. It could even be that there was not enough time to record the gap on the chart up to that point.
Restart the Orion Services and or the entire Orion Server. This will flush out any of the jobs or data that may be stuck in the system.