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 with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw DurationTracker

Modifier and Type	Method and 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 and 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 with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw DurationTracker

Modifier and Type	Class and Description
class	StatisticDurationTracker Track the duration of an object.
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 with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw DurationTracker

Modifier and Type	Field and Description
static DurationTracker	StubDurationTracker.STUB_DURATION_TRACKER

Methods in org.apache.hadoop.fs.statistics.impl with annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw DurationTracker

Modifier and Type	Method and 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 annotations of type with type parameters of type that implement declared as with annotations of type with type parameters of type with annotations of type with annotations of type with type parameters of type that return that return types with arguments of type with parameters of type with type arguments of type that throw with annotations of type with annotations of type with parameters of type with type arguments of type that throw DurationTracker

Modifier and Type	Method and 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.