| Package | Description | 
|---|---|
| org.apache.hadoop.metrics2 | Metrics 2.0 | 
| org.apache.hadoop.metrics2.sink | Builtin metrics sinks | 
| org.apache.hadoop.metrics2.sink.ganglia | 
| Modifier and Type | Method and Description | 
|---|---|
| abstract <T extends MetricsSink>  | MetricsSystem. register(String name,
        String desc,
        T sink)Register a metrics sink | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FileSinkA metrics sink that writes to a file | 
| class  | GraphiteSinkA metrics sink that writes to a Graphite server | 
| class  | RollingFileSystemSinkThis class is a metrics sink that uses
  FileSystemto write the metrics logs. | 
| class  | StatsDSinkA metrics sink that writes metrics to a StatsD daemon. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractGangliaSinkThis the base class for Ganglia sink classes using metrics2. | 
| class  | GangliaSink30This code supports Ganglia 3.0 | 
| class  | GangliaSink31This code supports Ganglia 3.1 | 
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