Sun Microsystems GLASSFISH ENTERPRISE 820433510 - Manual (Page 188)

TABLE 18–17 JVM Statistics for Java SE- Class Loading (Continued)
Statistic Data Type Description
totalloadedclasscount CountStatistic Total number of classes that have been
loaded since the JVM began execution.
unloadedclasscount CountStatistic Number of classes that have been
unloaded from the JVM since the JVM
began execution.
The statistics available for compilation in the JVM in Java SE are shown in the following table.
TABLE 18–18 JVM Statistics for Java SE- Compilation
Statistic Data Type Description
totalcompilationtime CountStatistic Accumulated time (in milliseconds) spent
in compilation.
The statistics available for garbage collection in the JVM in Java SE are shown in the following
table.
TABLE 18–19 JVM Statistics for Java SE- Garbage Collection
Statistic Data Type Description
collectioncount CountStatistic Total number of collections that have
occurred.
collectiontime CountStatistic Accumulated collection time (in
milliseconds).
The statistics available for memory in the JVM in Java SE are shown in the following table.
TABLE 18–20 JVM Statistics for Java SE- Memory
Statistic Data Type Description
objectpendingfinalizationcount CountStatistic Approximate number of objects that are
pending finalization.
initheapsize CountStatistic Size of the heap initially requested by the
JVM.
usedheapsize CountStatistic Size of the heap currently in use.
maxheapsize CountStatistic Maximum amount of memory (in bytes)
that can be used for memory management.
About Monitoring
Sun GlassFish Enterprise Server 2.1 Administration Guide • December 2008 188