Package org.apache.storm.metric

Class LoggingMetricsConsumer

java.lang.Object

org.apache.storm.metric.LoggingMetricsConsumer

All Implemented Interfaces:

IMetricsConsumer

public class LoggingMetricsConsumer
extends Object
implements IMetricsConsumer

Listens for all metrics, dumps them to log

To use, add this to your topology's configuration:

```java conf.registerMetricsConsumer(org.apache.storm.metrics.LoggingMetricsConsumer.class, 1); ```

Or edit the storm.yaml config file:

```yaml topology.metrics.consumer.register: - class: "org.apache.storm.metrics.LoggingMetricsConsumer" parallelism.hint: 1 ```

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.storm.metric.api.IMetricsConsumer

IMetricsConsumer.DataPoint, IMetricsConsumer.TaskInfo

Field Summary

Fields

Modifier and Type	Field	Description
static final org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
LoggingMetricsConsumer()

Method Summary

Modifier and Type	Method	Description
void	cleanup()
void	handleDataPoints(IMetricsConsumer.TaskInfo taskInfo, Collection<IMetricsConsumer.DataPoint> dataPoints)
void	prepare(Map<String,Object> topoConf, Object registrationArgument, TopologyContext context, IErrorReporter errorReporter)

Methods inherited from class java.lang.Object

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

Field Details

LOG

public static final org.slf4j.Logger LOG

Constructor Details

LoggingMetricsConsumer

public LoggingMetricsConsumer()

Method Details

prepare

public void prepare(Map<String,Object> topoConf,
 Object registrationArgument,
 TopologyContext context,
 IErrorReporter errorReporter)

Specified by:

prepare in interface IMetricsConsumer

handleDataPoints

public void handleDataPoints(IMetricsConsumer.TaskInfo taskInfo,
 Collection<IMetricsConsumer.DataPoint> dataPoints)

Specified by:

handleDataPoints in interface IMetricsConsumer

cleanup

public void cleanup()

Specified by:

cleanup in interface IMetricsConsumer