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

Class AwsStatisticsCollector

java.lang.Object

com.amazonaws.metrics.RequestMetricCollector

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

public class AwsStatisticsCollector
extends com.amazonaws.metrics.RequestMetricCollector

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 com.amazonaws.util.AWSRequestMetrics for metric names.

Nested Class Summary

Nested classes/interfaces inherited from class com.amazonaws.metrics.RequestMetricCollector

com.amazonaws.metrics.RequestMetricCollector.Factory

Field Summary

Fields inherited from class com.amazonaws.metrics.RequestMetricCollector

NONE

Constructor Summary

Constructors

Constructor and Description
AwsStatisticsCollector(StatisticsFromAwsSdk collector) Instantiate.

Method Summary

Modifier and Type	Method and Description
void	collectMetrics(com.amazonaws.Request<?> request, com.amazonaws.Response<?> response) This is the callback from the AWS SDK where metrics can be collected.

Methods inherited from class com.amazonaws.metrics.RequestMetricCollector

isEnabled

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

collectMetrics

public void collectMetrics(com.amazonaws.Request<?> request,
                           com.amazonaws.Response<?> response)

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

Specified by:

collectMetrics in class com.amazonaws.metrics.RequestMetricCollector

Parameters:

request - AWS request

response - AWS response