org.apache.beam.runners.extensions.metrics

Class MetricsHttpSink

java.lang.Object

org.apache.beam.runners.extensions.metrics.MetricsHttpSink

All Implemented Interfaces:

java.io.Serializable, org.apache.beam.sdk.metrics.MetricsSink

public class MetricsHttpSink
extends java.lang.Object
implements org.apache.beam.sdk.metrics.MetricsSink

HTTP Sink to push metrics in a POST HTTP request.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MetricsHttpSink.MetricKeySerializer JSON serializer for MetricKey; output a "name" object and a "step" or "pcollection" field with the corresponding label.
static class	MetricsHttpSink.MetricNameSerializer JSON serializer for MetricName; simple {namespace,name} for user-metrics, full URN for system metrics.
static class	MetricsHttpSink.MetricResultSerializer JSON serializer for MetricResult; conform to an older format where the key's name and "step" (ptransform) are inlined.

Constructor Summary

Constructors

Constructor and Description
MetricsHttpSink(org.apache.beam.sdk.metrics.MetricsOptions pipelineOptions)

Method Summary

Modifier and Type	Method and Description
void	writeMetrics(org.apache.beam.sdk.metrics.MetricQueryResults metricQueryResults) Writes the metricQueryResults via HTTP POST to metrics sink endpoint.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MetricsHttpSink

public MetricsHttpSink(org.apache.beam.sdk.metrics.MetricsOptions pipelineOptions)

Method Detail

writeMetrics

public void writeMetrics(org.apache.beam.sdk.metrics.MetricQueryResults metricQueryResults)
                  throws java.lang.Exception

Writes the metricQueryResults via HTTP POST to metrics sink endpoint.

Specified by:

writeMetrics in interface org.apache.beam.sdk.metrics.MetricsSink

Parameters:

metricQueryResults - query results to write.

Throws:

java.lang.Exception - throws IOException for non-200 response from endpoint.