TABLE 18–20
JVM Statistics for Java SE- Memory
(Continued)
Statistic
Data Type
Description
committedheapsize
CountStatistic
Amount of memory (in bytes) that is
committed for the JVM to use.
initnonheapsize
CountStatistic
Size of the non-heap area initially
requested by the JVM.
usednonheapsize
CountStatistic
Size of the non-heap area currently in use.
maxnonheapsize
CountStatistic
Maximum amount of memory (in bytes)
that can be used for memory management.
committednonheapsize
CountStatistic
Amount of memory (in bytes) that is
committed for the JVM to use.
The statistics available for the operating system in the JVM in Java SE are shown in the
following table.
TABLE 18–21
JVM Statistics for Java SE - Operating System
Statistic
Data Type
Description
arch
StringStatistic
Operating system architecture.
availableprocessors
CountStatistic
Number of processors available to the
JVM.
name
StringStatistic
Operating system name.
version
StringStatistic
Operating system version.
The statistics available for the runtime in the JVM in Java SE are shown in the following table.
TABLE 18–22
JVM Statistics for Java SE - Runtime
Statistic
Data Type
Description
name
StringStatistic
Name representing the running JVM
vmname
StringStatistic
JVM implementation name.
vmvendor
StringStatistic
JVM implementation vendor.
vmversion
StringStatistic
JVM implementation version.
specname
StringStatistic
JVM specification name.
specvendor
StringStatistic
JVM specification vendor.
specversion
StringStatistic
JVM specification version.
About Monitoring
Chapter 18 • Monitoring Components and Services
189
Содержание Sun GlassFish Enterprise Server 2.1
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