org.apache.nifi.reporting.ganglia

Class StandardGangliaReporter

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.reporting.AbstractReportingTask

org.apache.nifi.reporting.ganglia.StandardGangliaReporter

All Implemented Interfaces:

ConfigurableComponent, ReportingTask

@Tags(value={"ganglia","stats"})
@CapabilityDescription(value="Reports metrics to Ganglia so that Ganglia can be used for external monitoring of the application. Metrics reported include JVM Metrics (optional); the following 5-minute NiFi statistics: FlowFiles Received, Bytes Received, FlowFiles Sent, Bytes Sent, Bytes Read, Bytes Written, Total Task Duration; and the current values for FlowFiles Queued, Bytes Queued, and number of Active Threads.")
public class StandardGangliaReporter
extends AbstractReportingTask

Configuration of this reporting task requires a "host" property that points to the Ganglia server and optionally allows a "port" property (default otherwise is 8649)

Field Summary

Fields

Modifier and Type	Field and Description
private com.yammer.metrics.reporting.GangliaReporter	gangliaReporter
static PropertyDescriptor	HOSTNAME
private AtomicReference<ProcessGroupStatus>	latestStatus
private static org.slf4j.Logger	logger
static String	METRICS_GROUP
private com.yammer.metrics.core.MetricsRegistry	metricsRegistry
static PropertyDescriptor	PORT
static PropertyDescriptor	SEND_JVM_METRICS

Constructor Summary

Constructors

Constructor and Description
StandardGangliaReporter()

Method Summary

Methods

Modifier and Type	Method and Description
private long	calculateProcessingNanos(ProcessGroupStatus status)
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()
void	onConfigure(ConfigurationContext config)
void	onTrigger(ReportingContext context)

Methods inherited from class org.apache.nifi.reporting.AbstractReportingTask

getControllerServiceLookup, getIdentifier, getName, getSchedulingPeriod, init, initialize

Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

customValidate, equals, getPropertyDescriptor, getPropertyDescriptors, getSupportedDynamicPropertyDescriptor, hashCode, onPropertyModified, toString, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Detail

HOSTNAME

public static final PropertyDescriptor HOSTNAME

PORT

public static final PropertyDescriptor PORT

SEND_JVM_METRICS

public static final PropertyDescriptor SEND_JVM_METRICS

METRICS_GROUP

public static final String METRICS_GROUP

See Also:

Constant Field Values

logger

private static final org.slf4j.Logger logger

metricsRegistry

private com.yammer.metrics.core.MetricsRegistry metricsRegistry

gangliaReporter

private com.yammer.metrics.reporting.GangliaReporter gangliaReporter

latestStatus

private final AtomicReference<ProcessGroupStatus> latestStatus

Constructor Detail

StandardGangliaReporter

public StandardGangliaReporter()

Method Detail

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

onConfigure

@OnScheduled
public void onConfigure(ConfigurationContext config)
                 throws InitializationException

Throws:

InitializationException

onTrigger

public void onTrigger(ReportingContext context)

calculateProcessingNanos

private long calculateProcessingNanos(ProcessGroupStatus status)