org.apache.hadoop.metrics.ganglia

Class GangliaContext31

java.lang.Object

org.apache.hadoop.metrics.spi.AbstractMetricsContext

org.apache.hadoop.metrics.ganglia.GangliaContext

org.apache.hadoop.metrics.ganglia.GangliaContext31

All Implemented Interfaces:

org.apache.hadoop.metrics.MetricsContext

public class GangliaContext31
extends GangliaContext

Context for sending metrics to Ganglia version 3.1.x. 3.1.1 has a slightly different wire portal compared to 3.0.x.

Field Summary

Fields inherited from class org.apache.hadoop.metrics.ganglia.GangliaContext

buffer, datagramSocket, metricsServers, offset

Fields inherited from interface org.apache.hadoop.metrics.MetricsContext

DEFAULT_PERIOD

Constructor Summary

Constructors

Constructor and Description
GangliaContext31()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	emitMetric(String name, String type, String value)
void	init(String contextName, org.apache.hadoop.metrics.ContextFactory factory) Initializes the context.

Methods inherited from class org.apache.hadoop.metrics.ganglia.GangliaContext

close, getDmax, getSlope, getTmax, getUnits, xdr_int, xdr_string

Methods inherited from class org.apache.hadoop.metrics.spi.AbstractMetricsContext

createRecord, flush, getAllRecords, getAttribute, getAttributeTable, getContextFactory, getContextName, getPeriod, isMonitoring, newRecord, parseAndSetPeriod, registerUpdater, remove, setPeriod, startMonitoring, stopMonitoring, unregisterUpdater, update

Methods inherited from class java.lang.Object

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

Constructor Detail

GangliaContext31

public GangliaContext31()

Method Detail

init

public void init(String contextName,
        org.apache.hadoop.metrics.ContextFactory factory)

Description copied from class: AbstractMetricsContext

Initializes the context.

Specified by:

init in interface org.apache.hadoop.metrics.MetricsContext

Parameters:

contextName - The given name for this context

factory - The creator of this context

emitMetric

protected void emitMetric(String name,
              String type,
              String value)
                   throws IOException

Overrides:

emitMetric in class GangliaContext

Throws:

IOException