com.datastax.oss.dsbulk.executor.api.histogram

Class HdrHistogramReservoir

java.lang.Object

com.datastax.oss.dsbulk.executor.api.histogram.HdrHistogramReservoir

All Implemented Interfaces:

com.codahale.metrics.Reservoir

public class HdrHistogramReservoir
extends Object
implements com.codahale.metrics.Reservoir

This is a slightly modified copy of the following code: https://bitbucket.org/marshallpierce/hdrhistogram-metrics-reservoir, initially published under COIL 0.5 (Copyfree) license.

Constructor Summary

Constructors

Constructor and Description
HdrHistogramReservoir() Create a reservoir with a default recorder.
HdrHistogramReservoir(org.HdrHistogram.Recorder recorder) Create a reservoir with a user-specified recorder.

Method Summary

Modifier and Type	Method and Description
com.codahale.metrics.Snapshot	getSnapshot()
int	size()
void	update(long value)

Methods inherited from class java.lang.Object

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

Constructor Detail

HdrHistogramReservoir

public HdrHistogramReservoir()

Create a reservoir with a default recorder. This recorder should be suitable for most usages.

HdrHistogramReservoir

public HdrHistogramReservoir(org.HdrHistogram.Recorder recorder)

Create a reservoir with a user-specified recorder.

Parameters:

recorder - Recorder to use

Method Detail

size

public int size()

Specified by:

size in interface com.codahale.metrics.Reservoir

update

public void update(long value)

Specified by:

update in interface com.codahale.metrics.Reservoir

getSnapshot

public com.codahale.metrics.Snapshot getSnapshot()

Specified by:

getSnapshot in interface com.codahale.metrics.Reservoir

Returns:

the data accumulated since the reservoir was created