org.apache.hadoop.hbase.io

Class MetricsIOSourceImpl

java.lang.Object

org.apache.hadoop.hbase.metrics.BaseSourceImpl

org.apache.hadoop.hbase.io.MetricsIOSourceImpl

All Implemented Interfaces:

MetricsIOSource, BaseSource, org.apache.hadoop.metrics2.MetricsSource

@InterfaceAudience.Private
public class MetricsIOSourceImpl
extends BaseSourceImpl
implements MetricsIOSource

Field Summary

Fields

Modifier and Type	Field and Description
private MetricHistogram	fsPReadTimeHisto
private MetricHistogram	fsReadTimeHisto
private MetricHistogram	fsWriteTimeHisto
private MetricsIOWrapper	wrapper

Fields inherited from class org.apache.hadoop.hbase.metrics.BaseSourceImpl

metricsAdapter, metricsContext, metricsDescription, metricsJmxContext, metricsName, metricsRegistry, registry

Fields inherited from interface org.apache.hadoop.hbase.io.MetricsIOSource

CHECKSUM_FAILURES_DESC, CHECKSUM_FAILURES_KEY, FS_PREAD_TIME_HISTO_DESC, FS_PREAD_TIME_HISTO_KEY, FS_READ_TIME_HISTO_DESC, FS_READ_TIME_HISTO_KEY, FS_WRITE_HISTO_KEY, FS_WRITE_TIME_HISTO_DESC, METRICS_CONTEXT, METRICS_DESCRIPTION, METRICS_JMX_CONTEXT, METRICS_NAME

Fields inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

HBASE_METRICS_SYSTEM_NAME

Constructor Summary

Constructors

Constructor and Description
MetricsIOSourceImpl(MetricsIOWrapper wrapper)
MetricsIOSourceImpl(String metricsName, String metricsDescription, String metricsContext, String metricsJmxContext, MetricsIOWrapper wrapper)

Method Summary

Modifier and Type	Method and Description
void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector metricsCollector, boolean all)
void	updateFsPReadTime(long t) Update the fs positional read time histogram
void	updateFsReadTime(long t) Update the fs sequential read time histogram
void	updateFsWriteTime(long t) Update the fs write time histogram

Methods inherited from class org.apache.hadoop.hbase.metrics.BaseSourceImpl

decGauge, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, getMetricsRegistry, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hbase.metrics.BaseSource

decGauge, getMetricRegistryInfo, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, incCounters, incGauge, init, removeMetric, setGauge, updateHistogram

Field Detail

wrapper

private final MetricsIOWrapper wrapper

fsReadTimeHisto

private final MetricHistogram fsReadTimeHisto

fsPReadTimeHisto

private final MetricHistogram fsPReadTimeHisto

fsWriteTimeHisto

private final MetricHistogram fsWriteTimeHisto

Constructor Detail

MetricsIOSourceImpl

public MetricsIOSourceImpl(MetricsIOWrapper wrapper)

MetricsIOSourceImpl

public MetricsIOSourceImpl(String metricsName,
                           String metricsDescription,
                           String metricsContext,
                           String metricsJmxContext,
                           MetricsIOWrapper wrapper)

Method Detail

updateFsReadTime

public void updateFsReadTime(long t)

Description copied from interface: MetricsIOSource

Update the fs sequential read time histogram

Specified by:

updateFsReadTime in interface MetricsIOSource

Parameters:

t - time it took, in milliseconds

updateFsPReadTime

public void updateFsPReadTime(long t)

Description copied from interface: MetricsIOSource

Update the fs positional read time histogram

Specified by:

updateFsPReadTime in interface MetricsIOSource

Parameters:

t - time it took, in milliseconds

updateFsWriteTime

public void updateFsWriteTime(long t)

Description copied from interface: MetricsIOSource

Update the fs write time histogram

Specified by:

updateFsWriteTime in interface MetricsIOSource

Parameters:

t - time it took, in milliseconds

getMetrics

public void getMetrics(org.apache.hadoop.metrics2.MetricsCollector metricsCollector,
                       boolean all)

Specified by:

getMetrics in interface org.apache.hadoop.metrics2.MetricsSource

Overrides:

getMetrics in class BaseSourceImpl