org.apache.hadoop.fs.s3a.statistics.impl

Class AwsStatisticsCollector

java.lang.Object

org.apache.hadoop.fs.s3a.statistics.impl.AwsStatisticsCollector

All Implemented Interfaces:

AutoCloseable, software.amazon.awssdk.metrics.MetricPublisher, software.amazon.awssdk.utils.SdkAutoCloseable

public class AwsStatisticsCollector
extends Object
implements software.amazon.awssdk.metrics.MetricPublisher

Collect statistics from the AWS SDK and forward to an instance of StatisticsFromAwsSdk and thence into the S3A statistics.

See com.facebook.presto.hive.s3.PrestoS3FileSystemMetricCollector for the inspiration for this.

See software.amazon.awssdk.core.metrics.CoreMetric for metric names.

Constructor Summary

Constructors

Constructor and Description
AwsStatisticsCollector(StatisticsFromAwsSdk collector) Instantiate.

Method Summary

Modifier and Type	Method and Description
void	close()
void	publish(software.amazon.awssdk.metrics.MetricCollection metricCollection) This is the callback from the AWS SDK where metrics can be collected.

Methods inherited from class java.lang.Object

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

Constructor Detail

AwsStatisticsCollector

public AwsStatisticsCollector(StatisticsFromAwsSdk collector)

Instantiate.

Parameters:

collector - final destination of updates

Method Detail

publish

public void publish(software.amazon.awssdk.metrics.MetricCollection metricCollection)

This is the callback from the AWS SDK where metrics can be collected.

Specified by:

publish in interface software.amazon.awssdk.metrics.MetricPublisher

Parameters:

metricCollection - metrics collection

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface software.amazon.awssdk.metrics.MetricPublisher

Specified by:

close in interface software.amazon.awssdk.utils.SdkAutoCloseable