| Package | Description | 
|---|---|
| org.apache.hadoop.metrics2.lib | A collection of library classes for implementing metrics sources | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MutableInverseQuantilesWatches a stream of long values, maintaining online estimates of specific
 quantiles with provably low error bounds. | 
| Modifier and Type | Method and Description | 
|---|---|
| MutableQuantiles | MetricsRegistry. newInverseQuantiles(String name,
                   String desc,
                   String sampleName,
                   String valueName,
                   int interval)Create a mutable inverse metric that estimates inverse quantiles of a stream of values | 
| MutableQuantiles | MetricsRegistry. newQuantiles(String name,
            String desc,
            String sampleName,
            String valueName,
            int interval)Create a mutable metric that estimates quantiles of a stream of values | 
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