Uses of Class
org.apache.hadoop.fs.FileSystem

Packages that use FileSystem

org.apache.hadoop.dfs	A distributed implementation of FileSystem.
org.apache.hadoop.fs	An abstract file system API.
org.apache.hadoop.fs.s3	A distributed implementation of FileSystem that uses Amazon S3.
org.apache.hadoop.io	Generic i/o code for use when reading and writing data to the network, to databases, and to files.
org.apache.hadoop.mapred	A system for scalable, fault-tolerant, distributed computation over large data collections.
org.apache.hadoop.mapred.lib	Library of generally useful mappers, reducers, and partitioners.
org.apache.hadoop.streaming

Uses of FileSystem in org.apache.hadoop.dfs

Subclasses of FileSystem in org.apache.hadoop.dfs

class

DistributedFileSystem Implementation of the abstract FileSystem for the DFS system.

Uses of FileSystem in org.apache.hadoop.fs

Subclasses of FileSystem in org.apache.hadoop.fs

class	ChecksumFileSystem Abstract Checksumed FileSystem.
class	FilterFileSystem A FilterFileSystem contains some other file system, which it uses as its basic file system, possibly transforming the data along the way or providing additional functionality.
class	InMemoryFileSystem An implementation of the in-memory filesystem.
class	LocalFileSystem Implement the FileSystem API for the checksumed local filesystem.
class	RawLocalFileSystem Implement the FileSystem API for the raw local filesystem.

Fields in org.apache.hadoop.fs declared as FileSystem

protected FileSystem	FilterFileSystem.fs
protected FileSystem	FsShell.fs

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

static FileSystem	FileSystem.get(Configuration conf) Returns the configured filesystem implementation.
static FileSystem	FileSystem.get(URI uri, Configuration conf) Returns the FileSystem for this URI's scheme and authority.
FileSystem	Path.getFileSystem(Configuration conf) Return the FileSystem that owns this Path.
static FileSystem	FileSystem.getNamed(String name, Configuration conf) Deprecated. call #get(URI,Configuration) instead.
FileSystem	ChecksumFileSystem.getRawFileSystem() get the raw file system
static FileSystem	FileSystem.parseArgs(String[] argv, int i, Configuration conf) Parse the cmd-line args, starting at i.

Methods in org.apache.hadoop.fs with parameters of type FileSystem

static boolean	FileUtil.copy(File src, FileSystem dstFS, Path dst, boolean deleteSource, Configuration conf) Copy local files to a FileSystem.
static boolean	FileUtil.copy(FileSystem srcFS, Path src, File dst, boolean deleteSource, Configuration conf) Copy FileSystem files to local files.
static boolean	FileUtil.copy(FileSystem srcFS, Path src, FileSystem dstFS, Path dst, boolean deleteSource, Configuration conf) Copy files between FileSystems.
static boolean	FileUtil.copyMerge(FileSystem srcFS, Path srcDir, FileSystem dstFS, Path dstFile, boolean deleteSource, Configuration conf, String addString) Copy all files in a directory to one output file (merge).
static void	FileUtil.fullyDelete(FileSystem fs, Path dir) Recursively delete a directory.

Constructors in org.apache.hadoop.fs with parameters of type FileSystem

ChecksumFileSystem(FileSystem fs)

FilterFileSystem(FileSystem fs)

LocalFileSystem(FileSystem rawLocalFileSystem)

Uses of FileSystem in org.apache.hadoop.fs.s3

Subclasses of FileSystem in org.apache.hadoop.fs.s3

class

S3FileSystem A FileSystem backed by Amazon S3.

Uses of FileSystem in org.apache.hadoop.io

Methods in org.apache.hadoop.io with parameters of type FileSystem

SequenceFile.Writer	SequenceFile.Sorter.cloneFileAttributes(FileSystem ignoredFileSys, Path inputFile, Path outputFile, Progressable prog) Deprecated. call #cloneFileAttributes(Path,Path,Progressable) instead
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata) Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer	SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, Progressable progress) Construct the preferred type of SequenceFile Writer.
static void	MapFile.delete(FileSystem fs, String name) Deletes the named map file.
static long	MapFile.fix(FileSystem fs, Path dir, Class keyClass, Class valueClass, boolean dryrun, Configuration conf) This method attempts to fix a corrupt MapFile by re-creating its index.
static void	MapFile.rename(FileSystem fs, String oldName, String newName) Renames an existing map directory.

Constructors in org.apache.hadoop.io with parameters of type FileSystem

ArrayFile.Reader(FileSystem fs, String file, Configuration conf)
Construct an array reader for the named file.

ArrayFile.Writer(Configuration conf, FileSystem fs, String file, Class valClass)
Create the named file for values of the named class.

ArrayFile.Writer(Configuration conf, FileSystem fs, String file, Class valClass, SequenceFile.CompressionType compress, Progressable progress)
Create the named file for values of the named class.

MapFile.Reader(FileSystem fs, String dirName, Configuration conf)
Construct a map reader for the named map.

MapFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
Construct a map reader for the named map using the named comparator.

MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class keyClass, Class valClass)
Create the named map for keys of the named class.

MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class keyClass, Class valClass, SequenceFile.CompressionType compress)
Create the named map for keys of the named class.

MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class keyClass, Class valClass, SequenceFile.CompressionType compress, Progressable progress)
Create the named map for keys of the named class.

MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass)
Create the named map using the named key comparator.

MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress)
Create the named map using the named key comparator.

MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, Progressable progress)
Create the named map using the named key comparator.

SequenceFile.Reader(FileSystem fs, Path file, Configuration conf)
Open the named file.

SequenceFile.Sorter(FileSystem fs, Class keyClass, Class valClass, Configuration conf)
Sort and merge files containing the named classes.

SequenceFile.Sorter(FileSystem fs, WritableComparator comparator, Class valClass, Configuration conf)
Sort and merge using an arbitrary WritableComparator.

SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass)
Create the named file.

SequenceFile.Writer(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, Progressable progress, SequenceFile.Metadata metadata)
Create the named file with write-progress reporter.

SetFile.Reader(FileSystem fs, String dirName, Configuration conf)
Construct a set reader for the named set.

SetFile.Reader(FileSystem fs, String dirName, WritableComparator comparator, Configuration conf)
Construct a set reader for the named set using the named comparator.

SetFile.Writer(Configuration conf, FileSystem fs, String dirName, Class keyClass, SequenceFile.CompressionType compress)
Deprecated. Create a set naming the element class and compression type.

SetFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, SequenceFile.CompressionType compress)
Deprecated. Create a set naming the element comparator and compression type.

SetFile.Writer(FileSystem fs, String dirName, Class keyClass)
Deprecated. Create the named set for keys of the named class.

Uses of FileSystem in org.apache.hadoop.mapred

Subclasses of FileSystem in org.apache.hadoop.mapred

class

PhasedFileSystem Deprecated. PhasedFileSystem is no longer used during speculative execution of tasks.

Methods in org.apache.hadoop.mapred that return FileSystem

FileSystem	TaskTracker.getFileSystem() Return the DFS filesystem
FileSystem	JobClient.getFs() Get a filesystem handle.

Methods in org.apache.hadoop.mapred with parameters of type FileSystem

void	OutputFormat.checkOutputSpecs(FileSystem ignored, JobConf job) Check whether the output specification for a job is appropriate.
void	OutputFormatBase.checkOutputSpecs(FileSystem ignored, JobConf job)
static MapFile.Reader[]	MapFileOutputFormat.getReaders(FileSystem ignored, Path dir, Configuration conf) Open the output generated by this format.
RecordWriter	OutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress) Construct a RecordWriter with Progressable.
abstract RecordWriter	OutputFormatBase.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
RecordWriter	MapFileOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
RecordWriter	SequenceFileOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
RecordWriter	TextOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)
protected boolean	TextInputFormat.isSplitable(FileSystem fs, Path file)
protected boolean	FileInputFormat.isSplitable(FileSystem fs, Path filename) Is the given filename splitable? Usually, true, but if the file is stream compressed, it will not be.

Constructors in org.apache.hadoop.mapred with parameters of type FileSystem

PhasedFileSystem(FileSystem fs, JobConf conf)
Deprecated. This Constructor is used to wrap a FileSystem object to a Phased FilsSystem.

PhasedFileSystem(FileSystem fs, String jobid, String tipid, String taskid)
Deprecated. This Constructor is used to wrap a FileSystem object to a Phased FilsSystem.

Uses of FileSystem in org.apache.hadoop.mapred.lib

Methods in org.apache.hadoop.mapred.lib with parameters of type FileSystem

void	NullOutputFormat.checkOutputSpecs(FileSystem ignored, JobConf job)
RecordWriter	NullOutputFormat.getRecordWriter(FileSystem ignored, JobConf job, String name, Progressable progress)

Uses of FileSystem in org.apache.hadoop.streaming

Constructors in org.apache.hadoop.streaming with parameters of type FileSystem

StreamBaseRecordReader(FSDataInputStream in, FileSplit split, Reporter reporter, JobConf job, FileSystem fs)

StreamXmlRecordReader(FSDataInputStream in, FileSplit split, Reporter reporter, JobConf job, FileSystem fs)