HP Intelligent Management Center v5.2 Application Performance Manager Administrator Guide

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Figure 221 Memory Usage area layout
Memory Usage area fields:
 Memory usage trend graph—Shows the memory usage trend of the Tomcat server over the selected
time period in a line graph. The green curve shows the total memory and the orange curve shows
the used memory. Hover the cursor over a spot in the curve to view the memory usage at the specific
time point. By default, the graph shows the last 1 hour data. To change the report period, click the
Last 1 Hour icon on the upper right of the graph, and then select an icon from the list. Available
options include Last 6 Hours , Today , Yesterday , This Week , This Month , and
This Year . Click Total Memory or In Use to display or hide the corresponding monitor index in
the graph.
 Attribute/Value—Monitor index name and data.
 Total Memory—Total memory allocated to the Tomcat server by the operating system in the last
polling interval.
 In Use—Used memory of the Tomcat server in the last polling interval. Free Space—Free
memory of the Tomcat server in the last polling interval. History icon —Click the History icon
to view the history graph of the memory usage trend of the Tomcat server. Hover the cursor
over a spot on the curve to view the memory usage statistics at the specific time point.
Authorized users can view memory usage statistics over the last 1 hour, last 6 hours, today,
yesterday, this week, this month, and this year by clicking the corresponding icons on the upper
right of the graph.
Application Traffic
The Application Traffic area layout is shown in Figure 222. APM collects the traffic statistics of the Tomcat
server based on the IP address and port number of the Tomcat server host.