com.alibaba.metrics

类 ClusterHistogram

java.lang.Object

com.alibaba.metrics.ClusterHistogram

所有已实现的接口:

Metric

public abstract class ClusterHistogram
extends Object
implements Metric

A metric to calculate cluster histogram, since the the percentile can not be aggregated.

作者:

wangtao 2019-01-15 15:00

构造器概要

构造器

构造器和说明
ClusterHistogram()
ClusterHistogram(long[] buckets)

方法概要

限定符和类型	方法和说明
long[]	getBuckets()
abstract Map<Long,Map<Long,Long>>	getBucketValues(long startTime) get the bucket values since (including) the startTime, keyed by timestamp.
abstract void	update(long value)

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.alibaba.metrics.Metric

lastUpdateTime

构造器详细资料

ClusterHistogram

public ClusterHistogram(long[] buckets)

ClusterHistogram

public ClusterHistogram()

方法详细资料

update

public abstract void update(long value)

getBuckets

public long[] getBuckets()

getBucketValues

public abstract Map<Long,Map<Long,Long>> getBucketValues(long startTime)

get the bucket values since (including) the startTime, keyed by timestamp.

参数:

startTime - 查询起始时间, 单位是毫秒

返回:

a map, keyed by timestamp, the value is a Map of the bucket and its value For example: 1234556789 -> { [0, 1) -> 1, [1, 10) -> 5, [10, 100) -> 3 } which means in timestamp 1234556789, there are 1 in [0, 1) bucket, 5 in [1, 10) bucket, 3 in [10, 100) bucket.