## 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.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
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.

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`.

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.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