net.centro.rtb.monitoringcenter.metrics.system.jvm

Interface BufferPoolStatus

public interface BufferPoolStatus

This interface represents the current readings for a JVM buffer pool. All metrics exposed by this class are immutable by the client.

See Also:

BufferPoolMXBean

Method Summary

Modifier and Type	Method and Description
String	getName() Retrieves the name of the buffer pool.
com.codahale.metrics.Gauge<Long>	getSizeGauge() Retrieves an estimate of the number of buffers in the pool.
com.codahale.metrics.Gauge<Long>	getTotalCapacityInBytesGauge() Retrieves an estimate of the total capacity of buffers in the pool in bytes.
com.codahale.metrics.Gauge<Long>	getUsedMemoryInBytesGauge() Retrieves an estimate of the memory that the JVM is using for this buffer pool in bytes.

Method Detail

getName

String getName()

Retrieves the name of the buffer pool.

Returns:

the name of the buffer pool.

getSizeGauge

com.codahale.metrics.Gauge<Long> getSizeGauge()

Retrieves an estimate of the number of buffers in the pool.

Returns:

a gauge holding an estimate of the number of buffers in the pool.

See Also:

BufferPoolMXBean.getCount()

getTotalCapacityInBytesGauge

com.codahale.metrics.Gauge<Long> getTotalCapacityInBytesGauge()

Retrieves an estimate of the total capacity of buffers in the pool in bytes.

Returns:

a gauge holding an estimate of the total capacity of buffers in the pool in bytes.

See Also:

BufferPoolMXBean.getTotalCapacity()

getUsedMemoryInBytesGauge

com.codahale.metrics.Gauge<Long> getUsedMemoryInBytesGauge()

Retrieves an estimate of the memory that the JVM is using for this buffer pool in bytes.

Returns:

a gauge holding an estimate of the memory that the JVM is using for this buffer pool in bytes; null if not available.

See Also:

BufferPoolMXBean.getMemoryUsed()