Jvm Statistics For Java Se- Compilation; Jvm Statistics For Java Se- Garbage Collection; Jvm Statistics For Java Se- Memory - Sun Microsystems GlassFish Enterprise Server 2.1 Administration Manual

About Monitoring
TABLE 18–17
Statistic
totalloadedclasscount
unloadedclasscount
The statistics available for compilation in the JVM in Java SE are shown in the following table.
TABLE 18–18
Statistic
totalcompilationtime
The statistics available for garbage collection in the JVM in Java SE are shown in the following
table.
TABLE 18–19
Statistic
collectioncount
collectiontime
The statistics available for memory in the JVM in Java SE are shown in the following table.
TABLE 18–20
Statistic
objectpendingfinalizationcount
initheapsize
usedheapsize
maxheapsize
188 Sun GlassFish Enterprise Server 2.1 Administration Guide • December 2008
JVM Statistics for Java SE- Class Loading
Data Type
CountStatistic
CountStatistic

JVM Statistics for Java SE- Compilation

Data Type
CountStatistic

JVM Statistics for Java SE- Garbage Collection

Data Type
CountStatistic
CountStatistic

JVM Statistics for Java SE- Memory

(Continued)
Description
Total number of classes that have been
loaded since the JVM began execution.
Number of classes that have been
unloaded from the JVM since the JVM
began execution.
Description
Accumulated time (in milliseconds) spent
in compilation.
Description
Total number of collections that have
occurred.
Accumulated collection time (in
milliseconds).
Data Type Description
CountStatistic Approximate number of objects that are
pending finalization.
CountStatistic Size of the heap initially requested by the
JVM.
CountStatistic Size of the heap currently in use.
CountStatistic Maximum amount of memory (in bytes)
that can be used for memory management.