Package org.apache.hadoop.metrics2.annotation

Annotation Type 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
java.lang.String	context

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
java.lang.String	about
java.lang.String	name

Element Detail

context

java.lang.String context

Returns:

the context name for a group of metrics

name

java.lang.String name

Returns:

the (record) name of the metrics

Default:

""

about

java.lang.String about

Returns:

the optional description of metrics

Default:

""