H3C Technologies H3C Intelligent Management Center - Manual (Page 335)

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Figure 267 Memory Usage area layout
Memory Usage area fields:
• Memory usage trend graph—Shows the memory usage trend of the JBoss server over the selected
time period in a line graph. Point to 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 .
• Attribute/Value—Monitor index name and data.
{
Free Memory (%)—Percentage of free memory to total memory allocated to the JBoss server by
the operating system in the last polling interval. Set Threshold—Click the Set Threshold icon
to set alarm thresholds for the free memory percentage. The specified alarm thresholds appear
on the memory usage trend graph as dotted lines. The data is highlighted in orange when the
free memory percentage reaches the level-1 threshold, and is highlighted in red when it reaches
the level-2 threshold. Use either the global thresholds or custom thresholds. For information
about setting thresholds, see " 6 Configuration management ."
{
History Record—Click the History Record icon to view changes of the free memory
percentage over a specific time period in a line graph. Point to a spot on the curve to view the
free memory percentage at the specific time point. Authorized users can view free memory
percentage 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.
Stack
The Stack area layout is shown in Figure 268 .