org.apache.hadoop.hbase.metrics

接口 Histogram

所有超级接口:

Metric

@InterfaceAudience.LimitedPrivate(value="Coprocesssor")
 @InterfaceStability.Evolving
public interface Histogram
extends Metric

A metric which measures the distribution of values.

方法概要

限定符和类型	方法和说明
long	getCount() Return the total number of values added to the histogram.
Snapshot	snapshot() Snapshot the current values in the Histogram
void	update(int value) Adds a new value to the distribution.
void	update(long value) Adds a new value to the distribution.

方法详细资料

update

void update(int value)

Adds a new value to the distribution.

参数:

value - The value to add

update

void update(long value)

Adds a new value to the distribution.

参数:

value - The value to add

getCount

long getCount()

Return the total number of values added to the histogram.

返回:

the total number of values.

snapshot

@InterfaceAudience.Private
Snapshot snapshot()

Snapshot the current values in the Histogram

返回:

a Snapshot of the distribution.