Package org.apache.hadoop.metrics2

Interface MetricsRecord

@Public @Evolving public interface MetricsRecord
An immutable snapshot of metrics with a timestamp

  • Method Details

    • timestamp

      long timestamp()
      Get the timestamp of the metrics
      Returns:
      the timestamp

    • name

      String name()
      Returns:
      the metrics record name

    • description

      String description()
      Returns:
      the description of the metrics record

    • context

      String context()
      Returns:
      the context name of the metrics record

    • tags

      Collection<MetricsTag> tags()
      Get the tags of the record Note: returning a collection instead of iterable as we need to use tags as keys (hence Collection#hashCode etc.) in maps
      Returns:
      an unmodifiable collection of tags

    • metrics

      Iterable<AbstractMetric> metrics()
      Get the metrics of the record
      Returns:
      an immutable iterable interface for metrics