org.apache.hadoop.hbase.util

Class YammerHistogramUtils

java.lang.Object

org.apache.hadoop.hbase.util.YammerHistogramUtils

@InterfaceAudience.Private
public final class YammerHistogramUtils
extends Object

Utility functions for working with Yammer Metrics.

Method Summary

Modifier and Type	Method and Description
static String	getHistogramReport(com.codahale.metrics.Histogram hist)
static String	getPrettyHistogramReport(com.codahale.metrics.Histogram h)
static String	getShortHistogramReport(com.codahale.metrics.Histogram hist)
static com.codahale.metrics.Histogram	newHistogram(com.codahale.metrics.Reservoir sample) Create a new Histogram instance.

Methods inherited from class java.lang.Object

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

Method Detail

newHistogram

public static com.codahale.metrics.Histogram newHistogram(com.codahale.metrics.Reservoir sample)

Create a new Histogram instance. These constructors are not public in 2.2.0, so we use reflection to find them.

getShortHistogramReport

public static String getShortHistogramReport(com.codahale.metrics.Histogram hist)

Returns:

an abbreviated summary of hist.

getHistogramReport

public static String getHistogramReport(com.codahale.metrics.Histogram hist)

Returns:

a summary of hist.

getPrettyHistogramReport

public static String getPrettyHistogramReport(com.codahale.metrics.Histogram h)

Returns:

pretty summary of hist.