org.apache.geode.management

Class JVMMetrics

java.lang.Object

org.apache.geode.management.JVMMetrics

All Implemented Interfaces:

Serializable

public class JVMMetrics
extends Object
implements Serializable

Composite data type used to distribute metrics for the JVM running a GemFire member.

Since:

GemFire 7.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
JVMMetrics(long gcCount, long gcTimeMillis, long initMemory, long committedMemory, long usedMemory, long maxMemory, int totalThreads) This constructor is to be used by internal JMX framework only.

Method Summary

Modifier and Type	Method and Description
long	getCommittedMemory() Returns the current number of megabytes of memory allocated.
long	getGcCount() Returns the number of times garbage collection has occurred.
long	getGcTimeMillis() Returns the amount of time (in milliseconds) spent on garbage collection.
long	getInitMemory() Returns the initial number of megabytes of memory requested from the operating system.
long	getMaxMemory() Returns the maximum number of megabytes of memory available from the operating system.
int	getTotalThreads() Returns the number of threads in use.
long	getUsedMemory() Returns the current number of megabytes of memory being used.
String	toString() String representation of JVMMetrics

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

JVMMetrics

@ConstructorProperties(value={"gcCount","gcTimeMillis","initMemory","committedMemory","usedMemory","maxMemory","totalThreads"})
public JVMMetrics(long gcCount,
                                                                                                                                                  long gcTimeMillis,
                                                                                                                                                  long initMemory,
                                                                                                                                                  long committedMemory,
                                                                                                                                                  long usedMemory,
                                                                                                                                                  long maxMemory,
                                                                                                                                                  int totalThreads)

This constructor is to be used by internal JMX framework only. User should not try to create an instance of this class.

Parameters:

gcCount - the number of times garbage collection has occurred

gcTimeMillis - the amount of time (in milliseconds) spent on garbage collection

initMemory - the initial number of megabytes of memory requested from the operating system

committedMemory - the current number of megabytes of memory allocated

usedMemory - the current number of megabytes of memory being used

maxMemory - the maximum number of megabytes of memory available from the operating system

totalThreads - he number of threads in use

Method Detail

getGcCount

public long getGcCount()

Returns the number of times garbage collection has occurred.

Returns:

the number of times garbage collection has occurred

getGcTimeMillis

public long getGcTimeMillis()

Returns the amount of time (in milliseconds) spent on garbage collection.

Returns:

the amount of time (in milliseconds) spent on garbage collection

getInitMemory

public long getInitMemory()

Returns the initial number of megabytes of memory requested from the operating system.

Returns:

the initial number of megabytes of memory requested from the operating system

getCommittedMemory

public long getCommittedMemory()

Returns the current number of megabytes of memory allocated.

Returns:

the current number of megabytes of memory allocated

getUsedMemory

public long getUsedMemory()

Returns the current number of megabytes of memory being used.

Returns:

the current number of megabytes of memory being used

getMaxMemory

public long getMaxMemory()

Returns the maximum number of megabytes of memory available from the operating system.

Returns:

the maximum number of megabytes of memory available from the operating system

getTotalThreads

public int getTotalThreads()

Returns the number of threads in use.

Returns:

the number of threads in use

toString

public String toString()

String representation of JVMMetrics

Overrides:

toString in class Object