Uses of Interface
org.apache.hadoop.fs.statistics.DurationTracker

Packages that use DurationTracker

Package	Description
org.apache.hadoop.fs.impl.prefetch	block caching for use in object store clients.
org.apache.hadoop.fs.statistics	This package contains support for statistic collection and reporting.
org.apache.hadoop.fs.statistics.impl	Implementation support for statistics.

Uses of DurationTracker in org.apache.hadoop.fs.impl.prefetch

Methods in org.apache.hadoop.fs.impl.prefetch that return DurationTracker

Modifier and Type	Method	Description
DurationTracker	EmptyPrefetchingStatistics.prefetchOperationStarted()
DurationTracker	PrefetchingStatistics.prefetchOperationStarted()	A prefetch operation has started.

Uses of DurationTracker in org.apache.hadoop.fs.statistics

Methods in org.apache.hadoop.fs.statistics that return DurationTracker

Modifier and Type	Method	Description
static DurationTracker	IOStatisticsSupport.stubDurationTracker()	Get a stub duration tracker.
default DurationTracker	DurationTrackerFactory.trackDuration(String key)	Initiate a duration tracking operation by creating/returning an object whose close() call will update the statistics.
default DurationTracker	DurationTrackerFactory.trackDuration(String key, long count)	Initiate a duration tracking operation by creating/returning an object whose close() call will update the statistics.

Uses of DurationTracker in org.apache.hadoop.fs.statistics.impl

Classes in org.apache.hadoop.fs.statistics.impl that implement DurationTracker

Modifier and Type	Class	Description
class	StatisticDurationTracker	Track the duration of an object.
final class	StubDurationTracker	A simple stub duration tracker which can be issued in interfaces and other places where full duration tracking is not implemented.

Fields in org.apache.hadoop.fs.statistics.impl declared as DurationTracker

Modifier and Type	Field	Description
static final DurationTracker	StubDurationTracker.STUB_DURATION_TRACKER

Methods in org.apache.hadoop.fs.statistics.impl that return DurationTracker

Modifier and Type	Method	Description
static DurationTracker	IOStatisticsBinding.createTracker(DurationTrackerFactory factory, String statistic)	Create the tracker.
DurationTracker	StubDurationTrackerFactory.trackDuration(String key, long count)

Methods in org.apache.hadoop.fs.statistics.impl with parameters of type DurationTracker

Modifier and Type	Method	Description
static <B> B	IOStatisticsBinding.invokeTrackingDuration(DurationTracker tracker, CallableRaisingIOE<B> input)	Given an IOException raising callable/lambda expression, execute it, updating the tracker on success/failure.