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

Packages that use IOStatistics

Package	Description
org.apache.hadoop.fs	Implementations of AbstractFileSystem for hdfs over rpc and hdfs over web.
org.apache.hadoop.fs.statistics	This package contains support for statistic collection and reporting.
org.apache.hadoop.io.compress

Uses of IOStatistics in org.apache.hadoop.fs

Methods in org.apache.hadoop.fs that return IOStatistics

Modifier and Type	Method and Description
IOStatistics	FSDataOutputStream.getIOStatistics() Get the IO Statistics of the nested stream, falling back to empty statistics if the stream does not implement the interface IOStatisticsSource.
IOStatistics	FSDataInputStream.getIOStatistics() Get the IO Statistics of the nested stream, falling back to null if the stream does not implement the interface IOStatisticsSource.

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

Classes in org.apache.hadoop.fs.statistics that implement IOStatistics

Modifier and Type	Class and Description
class	IOStatisticsSnapshot Snapshot of statistics from a different source.

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

Modifier and Type	Method and Description
static IOStatistics	IOStatisticsSupport.retrieveIOStatistics(Object source) Get the IOStatistics of the source, casting it if it is of the relevant type, otherwise, if it implements IOStatisticsSource extracting the value.

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

Modifier and Type	Method and Description
boolean	IOStatisticsAggregator.aggregate(IOStatistics statistics) Aggregate the supplied statistics into the current set.
boolean	IOStatisticsSnapshot.aggregate(IOStatistics source) Aggregate the current statistics with the source reference passed in.
static Object	IOStatisticsLogging.demandStringifyIOStatistics(IOStatistics statistics) On demand stringifier of an IOStatistics instance.
static DurationStatisticSummary	DurationStatisticSummary.fetchDurationSummary(IOStatistics source, String key, boolean success) Fetch the duration timing summary of success or failure operations from an IO Statistics source.
static DurationStatisticSummary	DurationStatisticSummary.fetchSuccessSummary(IOStatistics source, String key) Fetch the duration timing summary from an IOStatistics source.
static String	IOStatisticsLogging.ioStatisticsToPrettyString(IOStatistics statistics) Convert IOStatistics to a string form, with all the metrics sorted and empty value stripped.
static String	IOStatisticsLogging.ioStatisticsToString(IOStatistics statistics) Convert IOStatistics to a string form.
void	IOStatisticsSnapshot.snapshot(IOStatistics source) Take a snapshot.
static IOStatisticsSnapshot	IOStatisticsSupport.snapshotIOStatistics(IOStatistics statistics) Take a snapshot of the current statistics state.

Constructors in org.apache.hadoop.fs.statistics with parameters of type IOStatistics

Constructor and Description
IOStatisticsSnapshot(IOStatistics source) Construct, taking a snapshot of the source statistics data if the source is non-null.

Uses of IOStatistics in org.apache.hadoop.io.compress

Methods in org.apache.hadoop.io.compress that return IOStatistics

Modifier and Type	Method and Description
IOStatistics	CompressionOutputStream.getIOStatistics() Return any IOStatistics provided by the underlying stream.
IOStatistics	CompressionInputStream.getIOStatistics() Return any IOStatistics provided by the underlying stream.