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

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Figure 238 JVM Heap Memory Details area layout
JVM Heap Memory Details area fields:
 JVM heap memory usage trend graph—Shows the JVM heap memory usage trend of the
WebLogic server over the selected time period in a line graph. Hover the cursor over a spot in the
curve to view the JVM heap memory usage statistics 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,
Free Memory, or Max Memory to display or hide the corresponding monitor index in the graph.
 Attribute/Value—Monitor index name and data.
 Total Memory—Total heap memory size JVM requested from the operating system in the last
polling interval. Free Memory—Size of unused memory in the JVM heap in last polling interval.
 Max Memory—Maximum memory that JVM can request from the operating system. Java
Version—Java version number. Set Threshold icon —Click the Set Threshold icon to set
alarm thresholds for Total Memory or Free Memory. The data is highlighted in yellow when it
reaches the level-1 threshold, and is highlighted in red when it reaches the level-2 threshold. Use
the global thresholds or self-defined thresholds. For information about setting the thresholds, see
"Threshold Management."
Thread
The Thread area layout is shown in Figure 239.