## Uses of Package
org.apache.hadoop.fs

Packages that use org.apache.hadoop.fs
org.apache.hadoop.conf: Configuration of system parameters.
org.apache.hadoop.contrib.index.lucene
org.apache.hadoop.contrib.index.mapred
org.apache.hadoop.examples.terasort: This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition.
org.apache.hadoop.filecache
org.apache.hadoop.fs: An abstract file system API.
org.apache.hadoop.fs.ftp
org.apache.hadoop.fs.kfs: A client for the Kosmos filesystem (KFS)
org.apache.hadoop.fs.permission
org.apache.hadoop.fs.s3: A distributed, block-based implementation of `FileSystem` that uses Amazon S3 as a backing store.
org.apache.hadoop.fs.s3native: A distributed implementation of `FileSystem` for reading and writing files on Amazon S3.
org.apache.hadoop.fs.shell
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.io.compress
org.apache.hadoop.io.file.tfile
org.apache.hadoop.mapred: A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapred.join: Given a set of sorted datasets keyed with the same class and yielding equal partitions, it is possible to effect a join of those datasets prior to the map.
org.apache.hadoop.mapred.lib: Library of generally useful mappers, reducers, and partitioners.
org.apache.hadoop.mapred.lib.db: org.apache.hadoop.mapred.lib.db Package
org.apache.hadoop.mapreduce
org.apache.hadoop.mapreduce.lib.input
org.apache.hadoop.mapreduce.lib.output
org.apache.hadoop.mapreduce.security
org.apache.hadoop.mapreduce.server.tasktracker
org.apache.hadoop.mapreduce.split
org.apache.hadoop.security
org.apache.hadoop.streaming: `Hadoop Streaming` is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.
org.apache.hadoop.util: Common utilities.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.conf
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.contrib.index.lucene
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.contrib.index.mapred
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.examples.terasort
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.filecache
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs
BlockLocation
ChecksumFileSystem Abstract Checksumed FileSystem.
ContentSummary Store the summary of a content (a directory or a file).
FileChecksum An abstract class representing file checksums for files.
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FileSystem.Statistics
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.
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.
FSInputStream FSInputStream is a generic old InputStream with a little bit of RAF-style seek ability.
HardLink.LinkStats HardLink statistics counters and methods.
HardLink.OSType
HasFileDescriptor Having a FileDescriptor
LocalFileSystem Implement the FileSystem API for the checksumed local filesystem.
MD5MD5CRC32FileChecksum MD5 of MD5 of CRC32.
Path Names a file or directory in a `FileSystem`.
PathFilter
PositionedReadable Stream that permits positional reading.
Seekable Stream that permits seeking.
Syncable This interface declare the sync() operation.
Trash Provides a trash feature.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.ftp
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FileSystem.Statistics
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.
FSInputStream FSInputStream is a generic old InputStream with a little bit of RAF-style seek ability.
Path Names a file or directory in a `FileSystem`.
PositionedReadable Stream that permits positional reading.
Seekable Stream that permits seeking.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.kfs
BlockLocation
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.permission
FileStatus Interface that represents the client side information for a file.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.s3
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.s3native
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.fs.shell
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.io
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.io.compress
Path Names a file or directory in a `FileSystem`.
Seekable Stream that permits seeking.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.io.file.tfile
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.
FSDataOutputStream Utility that wraps a `OutputStream` in a `DataOutputStream`, buffers output through a `BufferedOutputStream` and creates a checksum file.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapred
BlockLocation
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
FileSystem.Statistics
LocalDirAllocator An implementation of a round-robin scheme for disk allocation for creating files.
Path Names a file or directory in a `FileSystem`.
PathFilter

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapred.join
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapred.lib
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.
PathFilter

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapred.lib.db
FileSystem An abstract base class for a fairly generic filesystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapreduce
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapreduce.lib.input
BlockLocation
FileStatus Interface that represents the client side information for a file.
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapreduce.lib.output
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapreduce.security
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapreduce.server.tasktracker
FileSystem An abstract base class for a fairly generic filesystem.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.mapreduce.split
FileSystem An abstract base class for a fairly generic filesystem.
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.security
Path Names a file or directory in a `FileSystem`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.streaming
FileSystem An abstract base class for a fairly generic filesystem.
FSDataInputStream Utility that wraps a `FSInputStream` in a `DataInputStream` and buffers input through a `BufferedInputStream`.

Classes in org.apache.hadoop.fs used by org.apache.hadoop.util
LocalFileSystem Implement the FileSystem API for the checksumed local filesystem.
Path Names a file or directory in a `FileSystem`.

Copyright © 2009 The Apache Software Foundation