## Uses of Interface
org.apache.hadoop.metrics2.MetricsSource

- Packages that use MetricsSource
  Package | Description
  --- | ---
  org.apache.hadoop.ipc | Tools to help define network clients and servers.

- - ### Uses of MetricsSource in org.apache.hadoop.ipc

    Classes in org.apache.hadoop.ipc with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw MetricsSource
    Modifier and Type | Class and Description
    --- | ---
    `class` | `DecayRpcScheduler` The decay RPC scheduler tracks the cost of incoming requests in a map, then decays the costs at a fixed time interval.
    `static class` | `DecayRpcScheduler.MetricsProxy` MetricsProxy is a singleton because we may init multiple schedulers and we want to clean up resources when a new scheduler replaces the old one.

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