org.apache.hadoop.hbase.master

Class MetricsMasterSourceImpl

java.lang.Object

org.apache.hadoop.hbase.metrics.BaseSourceImpl

org.apache.hadoop.hbase.master.MetricsMasterSourceImpl

All Implemented Interfaces:

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

@InterfaceAudience.Private
public class MetricsMasterSourceImpl
extends BaseSourceImpl
implements MetricsMasterSource

Hadoop1 implementation of MetricsMasterSource. Implements BaseSource through BaseSourceImpl, following the pattern

Field Summary

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

metricsContext, metricsDescription, metricsJmxContext, metricsName, metricsRegistry

Fields inherited from interface org.apache.hadoop.hbase.master.MetricsMasterSource

AVERAGE_LOAD_DESC, AVERAGE_LOAD_NAME, CLUSTER_ID_DESC, CLUSTER_ID_NAME, CLUSTER_REQUESTS_NAME, DEAD_REGION_SERVERS_DESC, DEAD_REGION_SERVERS_NAME, IS_ACTIVE_MASTER_DESC, IS_ACTIVE_MASTER_NAME, LIVE_REGION_SERVERS_DESC, LIVE_REGION_SERVERS_NAME, MASTER_ACTIVE_TIME_DESC, MASTER_ACTIVE_TIME_NAME, MASTER_START_TIME_DESC, MASTER_START_TIME_NAME, METRICS_CONTEXT, METRICS_DESCRIPTION, METRICS_JMX_CONTEXT, METRICS_NAME, NUM_DEAD_REGION_SERVERS_NAME, NUM_REGION_SERVERS_NAME, NUMBER_OF_DEAD_REGION_SERVERS_DESC, NUMBER_OF_REGION_SERVERS_DESC, SERVER_NAME_DESC, SERVER_NAME_NAME, ZOOKEEPER_QUORUM_DESC, ZOOKEEPER_QUORUM_NAME

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

HBASE_METRICS_SYSTEM_NAME

Constructor Summary

Constructors

Constructor and Description
MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper)
MetricsMasterSourceImpl(String metricsName, String metricsDescription, String metricsContext, String metricsJmxContext, MetricsMasterWrapper masterWrapper)

Method Summary

Methods

Modifier and Type	Method and Description
void	getMetrics(org.apache.hadoop.metrics2.MetricsBuilder metricsBuilder, boolean all) Method to export all the metrics.
void	incRequests(int inc) Increment the number of requests the cluster has seen.
void	init() Clear out the metrics and re-prepare the source.

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

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

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, getMetricsContext, getMetricsDescription, getMetricsJmxContext, getMetricsName, incCounters, incGauge, removeMetric, setGauge, updateHistogram, updateQuantile

Constructor Detail

MetricsMasterSourceImpl

public MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper)

MetricsMasterSourceImpl

public MetricsMasterSourceImpl(String metricsName,
                       String metricsDescription,
                       String metricsContext,
                       String metricsJmxContext,
                       MetricsMasterWrapper masterWrapper)

Method Detail

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

incRequests

public void incRequests(int inc)

Description copied from interface: MetricsMasterSource

Increment the number of requests the cluster has seen.

Specified by:

incRequests in interface MetricsMasterSource

Parameters:

inc - Ammount to increment the total by.

getMetrics

public void getMetrics(org.apache.hadoop.metrics2.MetricsBuilder metricsBuilder,
              boolean all)

Method to export all the metrics.

Specified by:

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

Overrides:

getMetrics in class BaseSourceImpl

Parameters:

metricsBuilder - Builder to accept metrics

all - push all or only changed?