@InterfaceAudience.Private @InterfaceStability.Unstable

Package org.apache.hadoop.fs.s3a.statistics

Statistics collection for the S3A connector: interfaces.

See: Description

Interface Summary

Interface	Description
BlockOutputStreamStatistics	Block output stream statistics.
ChangeTrackerStatistics	Interface for change tracking statistics.
CommitterStatistics	Statistics for S3A committers.
CountersAndGauges	This is the foundational API for collecting S3A statistics.
DelegationTokenStatistics	Instrumentation exported to for S3A Delegation Token support.
S3AInputStreamStatistics	Statistics updated by a S3AInputStream during its use.
S3AMultipartUploaderStatistics	Statistics for the S3A multipart uploader.
S3AStatisticInterface	Base Interface for S3A Statistics, as a way of managing them.
S3AStatisticsContext	This is the statistics context for ongoing operations in S3A.
StatisticsFromAwsSdk	interface to receive statistics events from the AWS SDK by way of AwsStatisticsCollector.

Enum Summary

Enum	Description
StatisticTypeEnum	Enum of statistic types.

Package org.apache.hadoop.fs.s3a.statistics Description

Statistics collection for the S3A connector: interfaces. This is private, though there's a risk that some extension points (delegation tokens?) may need access to the internal API. Hence the split packaging...with a java 9 module, the implementation classes would be declared internal.