Package | Description |
---|---|
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.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.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.
|
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
FileStatus
Interface that represents the client side information for a file.
|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
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.
|
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.
|
Class and Description |
---|
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.
|
Class and Description |
---|
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 . |
Class and Description |
---|
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 . |
Class and Description |
---|
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 . |
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
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 . |
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
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. |
Class and Description |
---|
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 . |
PathFilter |
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Path
Names a file or directory in a
FileSystem . |
PathFilter |
Class and Description |
---|
FileSystem
An abstract base class for a fairly generic filesystem.
|
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
Class and Description |
---|
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 . |
Class and Description |
---|
Path
Names a file or directory in a
FileSystem . |
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