Uses of Annotation Interface org.apache.hadoop.metrics2.annotation.Metrics (Apache Hadoop Common 3.5.0 API)
Description: use: package: org.apache.hadoop.metrics2.annotation, annotation type: Metrics

# Uses of Annotation Interface
org.apache.hadoop.metrics2.annotation.Metrics

Packages that use Metrics
Package
Description
org.apache.hadoop.http
Support for embedded HTTP services.
org.apache.hadoop.ipc.metrics
RPC related metrics.
org.apache.hadoop.metrics2.impl
A metrics system implementation
org.apache.hadoop.metrics2.lib
A collection of library classes for implementing metrics sources

- ## Uses of Metrics in org.apache.hadoop.http

  Classes in org.apache.hadoop.http with annotations of type Metrics
  Modifier and Type
  Class
  Description
  `class`
  `HttpServer2Metrics`
  This class collects all the metrics of Jetty's StatisticsHandler and expose them as Hadoop Metrics.

- ## Uses of Metrics in org.apache.hadoop.ipc.metrics

  Classes in org.apache.hadoop.ipc.metrics with annotations of type Metrics
  Modifier and Type
  Class
  Description
  `class`
  `DecayRpcSchedulerDetailedMetrics`
  This class is for maintaining queue (priority) level related statistics when FairCallQueue is used and publishing them through the metrics interface.
  `class`
  `RetryCacheMetrics`
  This class is for maintaining the various RetryCache-related statistics and publishing them through the metrics interfaces.
  `class`
  `RpcDetailedMetrics`
  This class is for maintaining RPC method related statistics and publishing them through the metrics interfaces.
  `class`
  `RpcMetrics`
  This class is for maintaining the various RPC statistics and publishing them through the metrics interfaces.

- ## Uses of Metrics in org.apache.hadoop.metrics2.impl

  Classes in org.apache.hadoop.metrics2.impl with annotations of type Metrics
  Modifier and Type
  Class
  Description
  `class`
  `MetricsSystemImpl`
  A base class for metrics system singletons

- ## Uses of Metrics in org.apache.hadoop.metrics2.lib

  Methods in org.apache.hadoop.metrics2.lib with parameters of type Metrics
  Modifier and Type
  Method
  Description
  `protected MetricsInfo`
  MutableMetricsFactory.`getInfo(Class<?> cls, Metrics annotation)`