org.apache.hadoop.hbase.master
Class MetricsMasterSourceImpl

java.lang.Object
  extended by org.apache.hadoop.hbase.metrics.BaseSourceImpl
      extended by 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
MetricsMasterSourceImpl(MetricsMasterWrapper masterWrapper)
           
MetricsMasterSourceImpl(String metricsName, String metricsDescription, String metricsContext, String metricsJmxContext, MetricsMasterWrapper masterWrapper)
           
 
Method Summary
 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?


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