Metrics: Load tab

The Metrics: Load tab contains a number of widgets that display various statistics about system loads of the appliances.

The data displayed in each individual widget can be reloaded by clicking the reload button at the top right corner of the widget. View the widget data in XML/JSON format by clicking the code (source) button. A brief overview of each widget is displayed in a pop-up when you click the help icon.

Use appliance selector widget to select appliances to monitor. Initially no appliances are selected. Click the Appliance: None Selected server link and select one or more appliances from the pop-up. You can also set a Time range and the Time zone.

Appliances

The Appliances widget displays a legend of the selected appliances with each appliance assigned a unique color. The color is used in the other widgets to indicate the metrics of the applicable appliance. You can hide/show the metrics for a specific appliance by clicking its legend entry.

Swap memory (in)

The Swap memory (in) widget displays the number of bytes in MB/s that have been swapped into memory, for the deployed appliances.

Swap memory (out)

The Swap memory (out) widget displays the number of bytes in MB/s that have been swapped from memory to disk, for the deployed appliances.

IO wait percentage

The IO wait percentage widget displays the time that the CPU has spent waiting for an IO request to complete, as a percentage of the total CPU time, for the deployed appliances.

IO utilization

The IO utilization widget displays the percentage of CPU time used for I/O requests issued by the deployed appliances.

Disk writes

The Disk writes widget displays the amount of data written to the disks (in MB/s) of the deployed appliances.

Disk reads

The Disk writes widget displays the amount of data read from the disks (in MB/s) of the deployed appliances.

5m load average

The 5m load average widget displays historical values of the 5-minute load average of the deployed appliances. The system load is the number of processes that are ready to be run by the CPU (either running or waiting). These data are the moving average of the system load over 5-minute windows.

CPU usage

The CPU usage widget displays the CPU usage over the selected time period of the deployed appliances.