The screenshot shows the Performance subpage for the cluster. At the top, right-hand side of the page is a View Data action list, with the value Real Time: 15 Second Refresh currently selected. Below this list is a Customize button.
On the left-hand side of the page, at the top, are two options: Summary Chart (selected) and Tile Chart (not selected).
There are 3 charts displayed in the screenshot: CPU Utilization, Memory Utilization, and Disk I/O Utilization.
The CPU Utilization chart measures the number of CPUs on the vertical axis and the time in increments of 2 minutes on the horizontal axis. There are two lines on the chart, each line representing a different host. The pmrac1.us.oracle.com host appears to be using slightly more CPU resources than the host pmrac2.us.oracle.com.
The Memory Utilization chart measures the percentage of memory utilized on the vertical axis and the time in 2 minute increments on the horizontal axis. There are two lines on the chart, each line representing a different host. Both of the lines are straight, with the host pmrac2.us.oracle.com showing a constant memory utilization of 80.00 and the host pmrac1.us.orale.com showing a constant memory utilization of 100.00 for the time period between 8:32 pm and 8:46pm on July 10, 2007.
The Disk I/O Utilization chart measures the disk I/O utilization on the vertical axis using values from 0.00 to 200.00, in increments of 50. The horizontal axis measures the time in increments of 2 minutes. There are two lines on the chart, each line representing a different host. The host pmrac1.us.oracle.com appears to be utilizing slightly more disk I/O than the host pmrac2.us.oracle.com.
End of description.