| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.contrib.index.mapred | |
| org.apache.hadoop.examples |
Hadoop example code.
|
| org.apache.hadoop.examples.dancing |
This package is a distributed implementation of Knuth's dancing links
algorithm that can run under Hadoop.
|
| 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.fs |
An abstract file system API.
|
| org.apache.hadoop.fs.ftp | |
| org.apache.hadoop.fs.kfs |
A client for the Kosmos filesystem (KFS)
Introduction
This pages describes how to use Kosmos Filesystem
( KFS ) as a backing
store with Hadoop.
|
| 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.hdfs |
A distributed implementation of
FileSystem. |
| org.apache.hadoop.hdfs.server.balancer | |
| org.apache.hadoop.hdfs.server.datanode | |
| org.apache.hadoop.hdfs.server.namenode | |
| org.apache.hadoop.hdfs.tools | |
| org.apache.hadoop.hdfs.web | |
| 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 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.lib |
Library of generally useful mappers, reducers, and partitioners.
|
| org.apache.hadoop.mapred.lib.db |
org.apache.hadoop.mapred.lib.db Package
This package contains a library to read records from a database as an
input to a mapreduce job, and write the output records to the database.
|
| org.apache.hadoop.mapred.pipes |
Hadoop Pipes allows C++ code to use Hadoop DFS and map/reduce.
|
| org.apache.hadoop.mapred.tools | |
| org.apache.hadoop.mapreduce | |
| 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.tools | |
| org.apache.hadoop.tools.rumen |
Rumen is a data extraction and analysis tool built for
Apache Hadoop.
|
| org.apache.hadoop.util |
Common utilities.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| Shell
A base class for running a Unix command.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| DataChecksum
This class provides inteface and utilities for processing checksums for
DFS data transfers.
|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Daemon
A thread that has called
Thread.setDaemon(boolean) with true. |
| DataChecksum
This class provides inteface and utilities for processing checksums for
DFS data transfers.
|
| DiskChecker.DiskErrorException |
| 类和说明 |
|---|
| Daemon
A thread that has called
Thread.setDaemon(boolean) with true. |
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| Progress
Utility to assist with generation of progress reports.
|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| LineReader
A class that provides a line reader from an input stream.
|
| ProcessTree.Signal
The constants for the signals.
|
| Progress
Utility to assist with generation of progress reports.
|
| Progressable
A facility for reporting progress.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Progressable
A facility for reporting progress.
|
| 类和说明 |
|---|
| LineReader
A class that provides a line reader from an input stream.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| LineReader
A class that provides a line reader from an input stream.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
| 类和说明 |
|---|
| DataChecksum
This class provides inteface and utilities for processing checksums for
DFS data transfers.
|
| DiskChecker.DiskErrorException |
| IndexedSortable
Interface for collections capable of being sorted by
IndexedSorter
algorithms. |
| IndexedSorter
Interface for sort algorithms accepting
IndexedSortable items. |
| MemoryCalculatorPlugin
已过时。
Use
ResourceCalculatorPlugin
instead |
| ProcessTree
Process tree related operations
|
| ProcessTree.Signal
The constants for the signals.
|
| ProcfsBasedProcessTree
A Proc file-system based ProcessTree.
|
| Progress
Utility to assist with generation of progress reports.
|
| Progressable
A facility for reporting progress.
|
| QueueProcessingStatistics.State
This enum provides the "states" of a state machine for
QueueProcessingStatistics. |
| ResourceCalculatorPlugin
Plugin to calculate resource information on the system.
|
| ResourceCalculatorPlugin.ProcResourceValues |
| Shell
A base class for running a Unix command.
|
| StringUtils.TraditionalBinaryPrefix
The traditional binary prefixes, kilo, mega, ..., exa,
which can be represented by a 64-bit integer.
|
| Tool
A tool interface that supports handling of generic command-line options.
|
Copyright © 2009 The Apache Software Foundation