Note that a calculated prediction may include false assumptions based on estimates of both load and parallel processing and thus sometimes misinterprets the actual system load. This behavior can be seen for example when the graph displays the system as being overloaded, but the backlog of unwritten measures is not actually growing over time. For this reason, it is recommended to use the actual measures received / written per period graph, which gives a better picture of indicating whether or how well the Performance Manager application server is keeping up with its workload over time. This actual graph is the default setting and no action is required to display it on the System Health page.
To change the display to the original, older graph, which shows calculated estimates, proceed as follows: