Package org.apache.hadoop.hbase.metrics

Class OperationMetrics

java.lang.Object

org.apache.hadoop.hbase.metrics.OperationMetrics

@Private
public class OperationMetrics
extends Object

Container class for commonly collected metrics for most operations. Instantiate this class to collect submitted count, failed count and time histogram for an operation.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	FAILED_COUNT
private final Counter	failedCounter
private static final String	SUBMITTED_COUNT
private final Counter	submittedCounter
private static final String	TIME
private final Histogram	timeHisto

Constructor Summary

Constructors

Constructor	Description
OperationMetrics(MetricRegistry registry, String metricNamePrefix)

Method Summary

Modifier and Type	Method	Description
Counter	getFailedCounter()
Counter	getSubmittedCounter()
Histogram	getTimeHisto()

Methods inherited from class java.lang.Object

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

Field Details

SUBMITTED_COUNT

private static final String SUBMITTED_COUNT

See Also:

• Constant Field Values

TIME

private static final String TIME

See Also:

• Constant Field Values

FAILED_COUNT

private static final String FAILED_COUNT

See Also:

• Constant Field Values

submittedCounter

private final Counter submittedCounter

timeHisto

private final Histogram timeHisto

failedCounter

private final Counter failedCounter

Constructor Details

OperationMetrics

public OperationMetrics(MetricRegistry registry,
 String metricNamePrefix)

Method Details

getSubmittedCounter

public Counter getSubmittedCounter()

getTimeHisto

public Histogram getTimeHisto()

getFailedCounter

public Counter getFailedCounter()