Package org.apache.hadoop.metrics2.annotation

Annotation Interface Metrics

@Public @Evolving @Documented @Target(TYPE) @Retention(RUNTIME) public @interface Metrics
Annotation interface for a group of metrics

  • Required Element Summary

    Required Elements
    Modifier and Type
    Required Element
    Description
    String
    context
     

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    String
    about
     
    String
    name
     

  • Element Details

    • context

      String context
      Returns:
      the context name for a group of metrics

    • name

      String name
      Returns:
      the (record) name of the metrics
      Default:
      ""

    • about

      String about
      Returns:
      the optional description of metrics
      Default:
      ""