Package org.apache.hadoop.hbase.master.balancer

Class MetricsBalancerSourceImpl

java.lang.Object

org.apache.hadoop.hbase.metrics.BaseSourceImpl

org.apache.hadoop.hbase.master.balancer.MetricsBalancerSourceImpl

All Implemented Interfaces:

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

Direct Known Subclasses:

MetricsStochasticBalancerSourceImpl

@Private
public class MetricsBalancerSourceImpl
extends BaseSourceImpl
implements MetricsBalancerSource

Field Summary

Fields

Modifier and Type	Field	Description
private MetricHistogram	blanceClusterHisto
private MutableFastCounter	miscCount

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.metrics.BaseSource

HBASE_METRICS_SYSTEM_NAME

Fields inherited from interface org.apache.hadoop.hbase.master.balancer.MetricsBalancerSource

BALANCE_CLUSTER, BALANCER_STATUS, METRICS_CONTEXT, METRICS_DESCRIPTION, METRICS_JMX_CONTEXT, METRICS_NAME, MISC_INVOATION_COUNT

Constructor Summary

Constructors

Constructor	Description
MetricsBalancerSourceImpl()
MetricsBalancerSourceImpl(String metricsName, String metricsDescription, String metricsContext, String metricsJmxContext)

Method Summary

Modifier and Type	Method	Description
void	incrMiscInvocations()
void	init()	Clear out the metrics and re-prepare the source.
void	updateBalanceCluster(long time)
void	updateBalancerStatus(boolean status)

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

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

Field Details

blanceClusterHisto

private MetricHistogram blanceClusterHisto

miscCount

private MutableFastCounter miscCount

Constructor Details

MetricsBalancerSourceImpl

public MetricsBalancerSourceImpl()

MetricsBalancerSourceImpl

public MetricsBalancerSourceImpl(String metricsName,
 String metricsDescription,
 String metricsContext,
 String metricsJmxContext)

Method Details

init

public void init()

Description copied from interface: BaseSource

Clear out the metrics and re-prepare the source.

Specified by:

init in interface BaseSource

Overrides:

init in class BaseSourceImpl

updateBalanceCluster

public void updateBalanceCluster(long time)

Specified by:

updateBalanceCluster in interface MetricsBalancerSource

incrMiscInvocations

public void incrMiscInvocations()

Specified by:

incrMiscInvocations in interface MetricsBalancerSource

updateBalancerStatus

public void updateBalancerStatus(boolean status)

Specified by:

updateBalancerStatus in interface MetricsBalancerSource