Package org.apache.hadoop.hbase.io.hfile

Class AgeSnapshot

java.lang.Object

org.apache.hadoop.hbase.io.hfile.AgeSnapshot

@Private
public class AgeSnapshot
extends Object

Snapshot of block cache age in cache. This object is preferred because we can control how it is serialized out when JSON'ing.

Field Summary

Fields

Modifier and Type	Field	Description
private final FastLongHistogram	ageHistogram
private final long[]	quantiles

Constructor Summary

Constructors

Constructor	Description
AgeSnapshot(FastLongHistogram ageHistogram)

Method Summary

Modifier and Type	Method	Description
double	get75thPercentile()
double	get95thPercentile()
double	get98thPercentile()
double	get999thPercentile()
double	get99thPercentile()
double	getMax()
double	getMean()
double	getMin()

Methods inherited from class java.lang.Object

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

Field Details

ageHistogram

private final transient FastLongHistogram ageHistogram

quantiles

private final transient long[] quantiles

Constructor Details

AgeSnapshot

AgeSnapshot(FastLongHistogram ageHistogram)

Method Details

get75thPercentile

public double get75thPercentile()

get95thPercentile

public double get95thPercentile()

get98thPercentile

public double get98thPercentile()

get99thPercentile

public double get99thPercentile()

get999thPercentile

public double get999thPercentile()

getMean

public double getMean()

getMax

public double getMax()

getMin

public double getMin()