39.9 About Host Memory

The Host Memory page provides you with a unified view of an operating system's memory utilization.

The page displays the following information:

Memory Utilization: Displays overall memory utilization. The default view is a graphical representation of the percentage of memory used over time. You can change the view to represent the MB of memory used over time. If you prefer, you can view the overall memory utilization in a table instead of a chart.
Virtual Memory: Displays overall virtual memory utilization. The default view is a graphical representation of the percentage of swap space used over time. The default view is a graphical representation of the MB of memory used over time. You can change the view to represent the percentage of swap space used over time. If you prefer, you can view the overall virtual memory utilization in a table instead of a chart.
Page Activity: Displays a paging statistics activity in a color-coded graph format. The chart shows the following page activity: Address Translation Page Faults appear as a blue line, Pages Paged-in appear as a green line, Pages Paged-out appear as an orange line, Active Pages appear as a blue line, and the Pages Scanned by Page Stealing Daemons appear as a violet line. All activity is on a per second basis for a single day. If you prefer, you can view the data in a table instead of a chart.
Memory Details: A pie chart shows the memory details. The chart displays the Free Memory, Used Memory, and Other Shared Memory as a percentage of the entire memory.
Swap File: Displays the swap file and amount of space used. A graphical representation shows at a glance the amount of used and free swap space.
ZFS ARC cache usage: Displays ZFS ARC (Adaptive Replacement Cache) usage for Oracle Solaris operating systems.

39.9.1 Viewing Host Memory Utilization

To view host memory charts:

From the Targets menu, select Hosts.
The Hosts page appears with a list of all managed hosts. You can sort the list.
Click the host name from the list of managed hosts.
Click the Host Memory tab to view the metrics and charts.
In some cases, you can click Table View next to the chart to view the information in a table format.
To change the y-axis of the Memory Utilization and Virtual Memory Utilization charts to display as a percentage instead of in MB, select By Percentage. Select the time frame from the Time Range menu to change the default from two hours.

39.9.2 Viewing Memory and Swap File Details

To view details about memory and swap file:

From the Targets menu, select Hosts.
The Hosts page appears with a list of all managed hosts. You can sort the list.
Click the host name from the list of managed hosts.
Click the Host Memory tab, then click IPCS & Swap Details in the center pane.

39.9.3 Viewing Memory Details for a Host

Click Hosts from the Targets menu.
Click the target name to the home page.
Click Host in the upper left corner of the page. Click Monitoring, then click Memory Details.