The graph for CPU utilization shows the CPU utilization over time distinguished between  system and user usage. Click the legend to the right of the graph on the words  system  or  user  to limit the display to  that part of the CPU usage. Click the legend again, to show the full graph again. Appliance Used Memory Appliance Network Traffic Figure 7-18 Appliance Used Memory This graph shows the memory usage of the zCX instance. The Network Traffic tile shows the amount of data that is sent and received over the network  by the zCX instance. If you hover over the graph, it shows the numeric values for the point in  time where your mouse is located, as shown in Figure 7-19. Figure 7-19 Appliance Network Traffic Because of the way Grafana formats this graph, sent bytes are shown as negative values.  Actually, they are positive values. 182  Getting started with z/OS Container Extensions