Memory usage before and after garbage collection and Garbage Collector activity. NOTE: Platform MBean information is available at: http://java.sun.com/javase/6/docs/api/java/lang/management/package-summary.html#package_description.
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Cluster |
Select a cluster to display. |
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Host |
Select a host to display. |
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Location |
Select a location to display. Location is a unique identifier for each node and defined as: member_name.machine.rack.site. |
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Id |
This table contains data from the Node MBean for the selected node. |
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Garbage Collector |
Select a Garbage Collector. |
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Max |
Select to add the Max trace (graph will rescale if necessary). |
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Committed |
Select to add the Committed trace (graph will rescale if necessary). |
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Base at Zero |
Use zero as the Y axis minimum for all graph traces. |
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Time Range |
Select a time range from the drop down menu varying from 2 Minutes to Last 7 Days, or display All Data. To specify a time range, click Calendar 
By default, the time range end point is the current time. To change the time range end point, click Calendar Use the navigation arrows Click Restore to Now to reset the time range end point to the current time.
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Memory Usage (in MB) Before and After Garbage Collection |
Max The maximum amount of memory used by the node or nodes. Committed The amount of memory guaranteed to be available for use by the JVM. Used - Before The amount of memory used by the node or nodes before garbage collection. Used - After The amount of memory used by the node or nodes after garbage collection. Duration The duration, in seconds, that memory is used by the node or nodes. Duty Cycle Percent of time spent by the node or nodes in garbage collection. |
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and select a date and time from the calendar or enter the date and time in the text field using the following format: 
to move forward or backward one time period. NOTE: The time period is determined by your selection from the