TABLE18–17 JVMStatistics for Java SE- Class Loading (Continued)
Statistic DataType Description
totalloadedclasscount CountStatistic Totalnumber of classes that have been
loadedsince the JVM began execution.
unloadedclasscount CountStatistic Numberof classes that have been
unloadedfrom the JVM since the JVM
beganexecution.
Thestatistics available for compilation in the JVM in Java SE are shown in the following table.
TABLE18–18 JVMStatistics for Java SE- Compilation
Statistic DataType Description
totalcompilationtime CountStatistic Accumulatedtime (in milliseconds) spent
incompilation.
Thestatistics available for garbage collection in the JVM in Java SE are shown in the followingtable.
TABLE18–19 JVMStatistics for Java SE- Garbage Collection
Statistic DataType Description
collectioncount CountStatistic Totalnumber of collections that have
occurred.
collectiontime CountStatistic Accumulatedcollection time (in
milliseconds).
Thestatistics available for memory in the JVM in Java SE are shown in the following table.
TABLE18–20 JVMStatistics for Java SE- Memory
Statistic DataType Description
objectpendingfinalizationcount CountStatistic Approximate number of objects that are
pendingnalization.
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)
thatcan be used for memory management.
AboutMonitoring
SunGlassFishEnterprise Ser ver2.1 Administration Guide • December 2008188