| Package | Description | 
|---|---|
| org.apache.hadoop.metrics2.lib | A collection of library classes for implementing metrics sources | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MutableRateA convenient mutable metric for throughput measurement | 
| Modifier and Type | Method and Description | 
|---|---|
| MutableStat | MetricsRegistry. newStat(String name,
              String desc,
              String sampleName,
              String valueName)Create a mutable metric with stats | 
| MutableStat | MetricsRegistry. newStat(String name,
              String desc,
              String sampleName,
              String valueName,
              boolean extended)Create a mutable metric with stats | 
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