Package org.apache.beam.runners.spark.structuredstreaming.metrics

Provides internal utilities for implementing Beam metrics using Spark accumulators.

Class Summary

Class	Description
MetricsAccumulator	AccumulatorV2 for Beam metrics captured in MetricsContainerStepMap.
SparkBeamMetricSource	A Spark Source that is tailored to expose a SparkBeamMetric, wrapping an underlying MetricResults instance.
WithMetricsSupport	A MetricRegistry decorator-like that supports BeamMetricSets as Gauges.