| Package | Description | 
|---|---|
| org.apache.hadoop.metrics.ganglia | Implementation of the metrics package that sends metric data to 
Ganglia. | 
| org.apache.hadoop.metrics.spi | The Service Provider Interface for the Metrics API. | 
| Class and Description | 
|---|
| AbstractMetricsContext The main class of the Service Provider Interface. | 
| OutputRecord Represents a record of metric data to be sent to a metrics system. | 
| Class and Description | 
|---|
| AbstractMetricsContext The main class of the Service Provider Interface. | 
| MetricsRecordImpl An implementation of MetricsRecord. | 
| OutputRecord Represents a record of metric data to be sent to a metrics system. | 
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