Package | Description |
---|---|
org.apache.hadoop.contrib.index.example | |
org.apache.hadoop.contrib.index.mapred | |
org.apache.hadoop.contrib.utils.join | |
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.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.jobcontrol |
Utilities for managing dependent jobs.
|
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.aggregate |
Classes for performing various counting and aggregations.
|
org.apache.hadoop.mapred.lib.db |
org.apache.hadoop.mapred.lib.db Package
|
org.apache.hadoop.mapred.pipes |
Hadoop Pipes allows C++ code to use Hadoop DFS and map/reduce.
|
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.
|
Class and Description |
---|
FileInputFormat
Deprecated.
Use
FileInputFormat
instead. |
FileSplit
Deprecated.
Use
FileSplit
instead. |
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
OutputCollector |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
FileOutputFormat
A base class for
OutputFormat . |
InputFormat
Deprecated.
Use
InputFormat instead. |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
MapReduceBase
Deprecated.
|
OutputCollector |
OutputFormat
Deprecated.
Use
OutputFormat instead. |
Partitioner
Deprecated.
Use
Partitioner instead. |
RecordWriter
RecordWriter writes the output <key, value> pairs
to an output file. |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
OutputCollector |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
FileInputFormat
Deprecated.
Use
FileInputFormat
instead. |
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
MapReduceBase
Deprecated.
|
MultiFileInputFormat
Deprecated.
Use
CombineFileInputFormat instead |
MultiFileSplit
Deprecated.
Use
CombineFileSplit instead |
OutputCollector |
Partitioner
Deprecated.
Use
Partitioner instead. |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
RunningJob
RunningJob is the user-interface to query for details on a
running Map-Reduce job. |
Class and Description |
---|
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
MapReduceBase
Deprecated.
|
OutputCollector |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
FileInputFormat
Deprecated.
Use
FileInputFormat
instead. |
FileOutputFormat
A base class for
OutputFormat . |
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
MapReduceBase
Deprecated.
|
OutputCollector |
OutputFormat
Deprecated.
Use
OutputFormat instead. |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
RecordWriter
RecordWriter writes the output <key, value> pairs
to an output file. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
TextOutputFormat
Deprecated.
Use
TextOutputFormat instead. |
Class and Description |
---|
ClusterStatus
Status information on the current state of the Map-Reduce cluster.
|
Counters
Deprecated.
Use
Counters instead. |
Counters.Counter
Deprecated.
A counter record, comprising its name and value.
|
Counters.Group
Deprecated.
Group of counters, comprising of counters from a particular
counter Enum class. |
FileAlreadyExistsException
Used when target file already exists for any operation and
is not configured to be overwritten.
|
FileInputFormat
Deprecated.
Use
FileInputFormat
instead. |
FileOutputFormat
A base class for
OutputFormat . |
FileSplit
Deprecated.
Use
FileSplit
instead. |
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
InvalidJobConfException
This exception is thrown when jobconf misses some mendatory attributes
or value of some attributes is invalid.
|
JobClient.TaskStatusFilter |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
JobContext
Deprecated.
Use
JobContext instead. |
JobHistory.JobInfo
Helper class for logging or reading back events related to job start, finish or failure.
|
JobHistory.Keys
Job history files contain key="value" pairs, where keys belong to this enum.
|
JobHistory.Listener
Callback interface for reading back log events from JobHistory.
|
JobHistory.RecordTypes
Record types are identifiers for each line of log in history files.
|
JobHistory.Task
Helper class for logging or reading back events related to Task's start, finish or failure.
|
JobHistory.TaskAttempt
Base class for Map and Reduce TaskAttempts.
|
JobHistory.Values
This enum contains some of the values commonly used by history log events.
|
JobID
Deprecated.
|
JobPriority
Used to describe the priority of the running job.
|
JobProfile
A JobProfile is a MapReduce primitive.
|
JobQueueInfo
Class that contains the information regarding the Job Queues which are
maintained by the Hadoop Map/Reduce framework.
|
JobStatus
Describes the current status of a job.
|
JobTracker
JobTracker is the central location for submitting and
tracking MR jobs in a network environment.
|
JobTracker.State |
Mapper
Deprecated.
Use
Mapper instead. |
MapRunnable
Deprecated.
Use
Mapper instead. |
OutputCollector |
OutputCommitter
Deprecated.
Use
OutputCommitter instead. |
OutputFormat
Deprecated.
Use
OutputFormat instead. |
Partitioner
Deprecated.
Use
Partitioner instead. |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
RecordWriter
RecordWriter writes the output <key, value> pairs
to an output file. |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
RunningJob
RunningJob is the user-interface to query for details on a
running Map-Reduce job. |
SequenceFileInputFilter.Filter
filter interface
|
SequenceFileInputFilter.FilterBase
base class for Filters
|
SequenceFileInputFormat
Deprecated.
Use
SequenceFileInputFormat
instead. |
SequenceFileOutputFormat
Deprecated.
Use
SequenceFileOutputFormat
instead. |
TaskAttemptContext
Deprecated.
Use
TaskAttemptContext
instead. |
TaskAttemptID
Deprecated.
|
TaskCompletionEvent
This is used to track task completion events on
job tracker.
|
TaskCompletionEvent.Status |
TaskID
Deprecated.
|
TaskLog.LogName
The filter for userlogs.
|
TaskReport
A report on the state of a task.
|
TIPStatus
The states of a
TaskInProgress as seen by the JobTracker. |
Class and Description |
---|
JobClient
JobClient is the primary interface for the user-job to interact
with the JobTracker . |
JobConf
Deprecated.
Use
Configuration instead |
JobID
Deprecated.
|
Class and Description |
---|
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobConf
Deprecated.
Use
Configuration instead |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
FileInputFormat
Deprecated.
Use
FileInputFormat
instead. |
FileOutputFormat
A base class for
OutputFormat . |
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
MapReduceBase
Deprecated.
|
MapRunnable
Deprecated.
Use
Mapper instead. |
OutputCollector |
OutputFormat
Deprecated.
Use
OutputFormat instead. |
Partitioner
Deprecated.
Use
Partitioner instead. |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
RecordWriter
RecordWriter writes the output <key, value> pairs
to an output file. |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
Mapper
Deprecated.
Use
Mapper instead. |
OutputCollector |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
OutputFormat
Deprecated.
Use
OutputFormat instead. |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
RecordWriter
RecordWriter writes the output <key, value> pairs
to an output file. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
Class and Description |
---|
JobConf
Deprecated.
Use
Configuration instead |
RunningJob
RunningJob is the user-interface to query for details on a
running Map-Reduce job. |
Class and Description |
---|
ID
Deprecated.
|
RawKeyValueIterator
RawKeyValueIterator is an iterator used to iterate over
the raw keys and values during sort/merge of intermediate data. |
TaskCompletionEvent
This is used to track task completion events on
job tracker.
|
Class and Description |
---|
FileInputFormat
Deprecated.
Use
FileInputFormat
instead. |
FileSplit
Deprecated.
Use
FileSplit
instead. |
InputFormat
Deprecated.
Use
InputFormat instead. |
InputSplit
Deprecated.
Use
InputSplit instead. |
JobClient
JobClient is the primary interface for the user-job to interact
with the JobTracker . |
JobConf
Deprecated.
Use
Configuration instead |
JobConfigurable
Deprecated.
|
JobID
Deprecated.
|
KeyValueTextInputFormat
An
InputFormat for plain text files. |
Mapper
Deprecated.
Use
Mapper instead. |
MapRunnable
Deprecated.
Use
Mapper instead. |
MapRunner
Default
MapRunnable implementation. |
OutputCollector |
RecordReader
RecordReader reads <key, value> pairs from an
InputSplit . |
Reducer
Deprecated.
Use
Reducer instead. |
Reporter
A facility for Map-Reduce applications to report progress and update
counters, status information etc.
|
RunningJob
RunningJob is the user-interface to query for details on a
running Map-Reduce job. |
Copyright © 2010 The Apache Software Foundation