| Package | Description | 
|---|---|
| org.apache.hadoop.metrics2 | Metrics 2.0 | 
| org.apache.hadoop.metrics2.filter | Builtin metrics filters (to be used in metrics config files) | 
| org.apache.hadoop.metrics2.sink | Builtin metrics sinks | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | MetricsSinkThe metrics sink interface. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MetricsFilterThe metrics filter interface. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | org.apache.hadoop.metrics2.filter.AbstractPatternFilterBase class for pattern based filters | 
| class  | GlobFilterA glob pattern filter for metrics. | 
| class  | RegexFilterA regex pattern filter for metrics | 
| 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  | KafkaSinkA metrics sink that writes to a Kafka broker. | 
| 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. | 
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