@InterfaceAudience.Public @InterfaceStability.Evolving

# Package org.apache.hadoop.metrics2.util

General helpers for implementing source and sinks

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  QuantileEstimator |

- Class Summary
  Class | Description
  --- | ---
  MBeans | This util class provides a method to register an MBean using our standard naming convention as described in the doc for {link `MBeans.register(String, String, Object)`.
  MetricsCache | A metrics cache for sinks that don't support sparse updates.
  MetricsCache.Record | Cached record
  SampleStat.MinMax | Helper to keep running min/max
  Servers | Helpers to handle server addresses

## Package org.apache.hadoop.metrics2.util Description

General helpers for implementing source and sinks

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