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Job.addArchiveToClassPath(Path) instead
Job.addCacheArchive(URI) instead
Job.addCacheFile(URI) instead
Job.addFileToClassPath(Path) instead
Path to the list of inputs for the map-reduce job.
Path with a custom InputFormat to the list of
inputs for the map-reduce job.
Path with a custom InputFormat and
Mapper to the list of inputs for the map-reduce job.
Path to the list of inputs for the map-reduce job.
Path with a custom InputFormat to the list of
inputs for the map-reduce job.
Path with a custom InputFormat and
Mapper to the list of inputs for the map-reduce job.
Mapper class to the chain mapper.
Mapper class to the chain reducer.
BackupStore is an utility class that is used to support
the mark-reset functionality of values iteratorBinaryComparable keys using a configurable part of
the bytes array returned by BinaryComparable.getBytes().BinaryComparable keys using a configurable part of
the bytes array returned by BinaryComparable.getBytes().Token.cancel(org.apache.hadoop.conf.Configuration) instead
Token.cancel(org.apache.hadoop.conf.Configuration) instead
ChainMapper and the ChainReducer classes.OutputCommitter.commitJob(JobContext) or
OutputCommitter.abortJob(JobContext, int) instead.
OutputCommitter.commitJob(org.apache.hadoop.mapreduce.JobContext)
or OutputCommitter.abortJob(org.apache.hadoop.mapreduce.JobContext, org.apache.hadoop.mapreduce.JobStatus.State)
instead.
OutputCommitter.commitJob(JobContext) and
OutputCommitter.abortJob(JobContext, JobStatus.State) instead.
JobContext or TaskAttemptContext with a
new configuration.
JobClient.
RecordWriter to future operations.
InputSplit to future operations.
RecordWriter to future operations.
Cluster.
RecordWriter to future operations.
RecordWriter to future operations.
MultiFilterRecordReader.emit(org.apache.hadoop.mapred.join.TupleWritable) every Tuple from the
collector (the outer join of child RRs).
MultiFilterRecordReader.emit(org.apache.hadoop.mapreduce.lib.join.TupleWritable) every Tuple from the
collector (the outer join of child RRs).
InputFormat that returns CombineFileSplit's
in InputFormat.getSplits(JobConf, int) method.InputFormat that returns CombineFileSplit's in
InputFormat.getSplits(JobContext) method.CombineFileSplit.CombineFileSplit.CombineFileInputFormat-equivalent for
SequenceFileInputFormat.CombineFileInputFormat-equivalent for
SequenceFileInputFormat.CombineFileInputFormat-equivalent for
TextInputFormat.CombineFileInputFormat-equivalent for
TextInputFormat.JobConf.
JobConf.
Configuration.
Counters that logically belong together.Counters holds per job/task counters, defined either by the
Map-Reduce framework or applications.Group of counters, comprising of counters from a particular
counter Enum class.CombineFileInputFormat.createPool(List).
CombineFileInputFormat.createPool(PathFilter...).
DBWritable.InputFormat that delegates behaviour of paths to multiple other
InputFormats.InputFormat that delegates behavior of paths to multiple other
InputFormats.Mapper that delegates behaviour of paths to multiple other
mappers.Mapper that delegates behavior of paths to multiple other
mappers.TaggedInputSplitextendInternal at least once.
InputFormat.InputFormats.OutputCommitter that commits files specified
in job output directory i.e.OutputCommitter that commits files specified
in job output directory i.e.OutputFormat.OutputFormats that read from FileSystems.FilterRecordWriter is a convenience wrapper
class that implements RecordWriter.FilterRecordWriter is a convenience wrapper
class that extends the RecordWriter.Counters.findCounter(String, String) instead
Counters.makeEscapedCompactString() counter
representation into a counter object.
Cluster.getAllJobStatuses() instead.
JobContext.getArchiveClassPaths() instead
JobContext.getArchiveTimestamps() instead
SkipBadRecords.COUNTER_MAP_PROCESSED_RECORDS is incremented
by MapRunner after invoking the map function.
SkipBadRecords.COUNTER_REDUCE_PROCESSED_GROUPS is incremented
by framework after invoking the reduce function.
JobContext.getCacheArchives() instead
JobContext.getCacheFiles() instead
Configuration for the Map or Reduce in the chain.
WritableComparable comparator for
grouping keys of inputs to the combiner.
RawComparator comparator for
grouping keys of inputs to the combiner.
RawComparator comparator for
grouping keys of inputs to the combiner.
Counters.Group.findCounter(String) instead
Counters.Counter of the given group with the given name.
Counters.Counter of the given group with the given name.
Counter for the given counterName.
Counter for the given groupName and
counterName.
Credentials.getToken(org.apache.hadoop.io.Text)
instead, this method is included for compatibility against Hadoop-1
JobContext.getFileClassPaths() instead
JobContext.getFileTimestamps() instead
RawComparator comparator for
grouping keys of inputs to the reduce.
RawComparator comparator for
grouping keys of inputs to the reduce.
InputFormat implementation for the map-reduce job,
defaults to TextInputFormat if not specified explicity.
InputFormat class for the job.
InputFormat class for the job.
Paths for the map-reduce job.
Paths for the map-reduce job.
InputSplit object for a map.
Job with no particular Cluster .
Job with no particular Cluster and a
given Configuration.
Job with no particular Cluster and a given jobName.
Job with no particular Cluster and given
Configuration and JobStatus.
Job.getInstance()
Job.getInstance(Configuration)
Job with no particular Cluster and given
Configuration and JobStatus.
RunningJob object to track an ongoing job.
JobClient.getJob(JobID).
RunningJob.getID().
JobID object that this task attempt belongs to
JobID object that this tip belongs to
JobPriority for this job.
JobStatus, of the Job.
SequenceFileRecordReader.next(Object, Object)..
KeyFieldBasedComparator options
KeyFieldBasedComparator options
KeyFieldBasedPartitioner options
KeyFieldBasedPartitioner options
InputSplit.
JobContext.getLocalCacheArchives() instead
JobContext.getCacheArchives().
JobContext.getLocalCacheFiles() instead
JobContext.getCacheFiles().
WrappedMapper.Context for custom implementations.
CompressionCodec for compressing the map outputs.
Mapper class for the job.
Mapper class for the job.
Mapper class for the job.
MapRunnable class for the job.
true.
JobClient.getMapTaskReports(JobID)
mapreduce.map.maxattempts
property.
mapred.map.max.attempts
property.
mapred.map.max.attempts
property.
mapreduce.reduce.maxattempts
property.
mapred.reduce.max.attempts
property.
mapred.reduce.max.attempts
property.
TaskStatus.getMaxStringSize() to control the max-size
of strings in TaskStatus.
JobConf.getMemoryForMapTask() and
JobConf.getMemoryForReduceTask()
OutputCommitter implementation for the map-reduce job,
defaults to FileOutputCommitter if not specified explicitly.
OutputCommitter for the task-attempt.
SequenceFile.CompressionType for the output SequenceFile.
SequenceFile.CompressionType for the output SequenceFile.
CompressionCodec for compressing the job outputs.
CompressionCodec for compressing the job outputs.
OutputFormat implementation for the map-reduce job,
defaults to TextOutputFormat if not specified explicity.
OutputFormat class for the job.
OutputFormat class for the job.
RawComparator comparator used to compare keys.
Path to the output directory for the map-reduce job.
Path to the output directory for the map-reduce job.
WritableComparable comparator for
grouping keys of inputs to the reduce.
Object.hashCode() to partition.
BinaryComparable.getBytes() to partition.
Object.hashCode() to partition.
Partitioner used to partition Mapper-outputs
to be sent to the Reducers.
Partitioner class for the job.
Partitioner class for the job.
TotalOrderPartitioner.getPartitionFile(Configuration)
instead
Path for a file that is unique for
the task within the job output directory.
Path for a file that is unique for
the task within the job output directory.
RecordReader consumed i.e.
RecordReader for the given InputSplit.
RecordReader for the given InputSplit.
RecordWriter for the given job.
RecordWriter for the given job.
RecordWriter for the given task.
RecordWriter for the given task.
Reducer class for the job.
Reducer class for the job.
Reducer class for the job.
WrappedReducer.Context for custom implementations.
true.
JobClient.getReduceTaskReports(JobID)
TaskType
SequenceFile
SequenceFile
SequenceFile
SequenceFile
RawComparator comparator used to compare keys.
RawComparator comparator used to compare keys.
true.
FileInputFormat.listStatus(JobConf) when
they're too big.
TaskCompletionEvent.getTaskAttemptId() instead.
TaskID object that this task attempt belongs to
TaskID.getTaskIDsPattern(String, Integer, TaskType,
Integer)
TaskType corresponding to the character
SequenceFileRecordReader.next(Object, Object)..
Path to the task's temporary output directory
for the map-reduce job
Path to the task's temporary output directory
for the map-reduce job
QueueACL name for the given queue.
Object.hashCode().Object.hashCode().IFile is the simple IFile.Reader to read intermediate map-outputs.IFile.Writer to write out intermediate map-outputs.Enum type, by the specified amount.
IFile.InMemoryReader to read map-outputs present in-memory.InputFormat describes the input-specification for a
Map-Reduce job.InputFormat describes the input-specification for a
Map-Reduce job.TotalOrderPartitioner.InputFormat.InputFormat.InputSplit represents the data to be processed by an
individual Mapper.InputSplit represents the data to be processed by an
individual Mapper.Mapper that swaps keys and values.Mapper that swaps keys and values.CombineFileInputFormat.isSplitable(FileSystem, Path).
JobClient is the primary interface for the user-job to interact
with the cluster.JobConf, and connect to the
default cluster
Configuration,
and connect to the default cluster
JobCounter instead.JobProfile.
JobProfile the userid, jobid,
job config-file, job-details url and job name.
JobProfile the userid, jobid,
job config-file, job-details url and job name.
JobTracker is no longer used since M/R 2.x.State is no longer used since M/R 2.x.KeyFieldBasedComparator.KeyFieldBasedComparator.InputFormat for plain text files.InputFormat for plain text files.RunningJob.killTask(TaskAttemptID, boolean)
LineReader instead.Credentials.readTokenStorageFile(org.apache.hadoop.fs.Path, org.apache.hadoop.conf.Configuration) instead,
this method is included for compatibility against Hadoop-1.
Credentials.readTokenStorageFile(org.apache.hadoop.fs.Path, org.apache.hadoop.conf.Configuration) instead,
this method is included for compatibility against Hadoop-1.
Reducer that sums long values.map(...) methods of the Mappers in the chain.
ProgressSplitsBlock
for an explanation of the meaning of that parameter.
Create an event for successful completion of map attempts
Mapper.Mapper.OutputFormat that writes MapFiles.OutputFormat that writes
MapFiles.Context passed on to the Mapper implementations.Level for the map task.
Level for the reduce task.
JobConf.MAPRED_MAP_TASK_ENV or
JobConf.MAPRED_REDUCE_TASK_ENV
JobConf.MAPRED_MAP_TASK_JAVA_OPTS or
JobConf.MAPRED_REDUCE_TASK_JAVA_OPTS
JobConf.MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY and
JobConf.MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY
Mapper and Reducer implementations.Mappers.MapRunnable implementation.MarkableIterator is a wrapper iterator class that
implements the MarkableIteratorInterface.InputFormat that returns MultiFileSplit's
in MultiFileInputFormat.getSplits(JobConf, int) method.InputFormat and Mapper for each pathInputFormat and Mapper for each pathOutputCollector passed to
the map() and reduce() methods of the
Mapper and Reducer implementations.DBRecordReader.nextKeyValue()
<key, value> pairs output by Mappers
and Reducers.OutputCommitter describes the commit of task output for a
Map-Reduce job.OutputCommitter describes the commit of task output for a
Map-Reduce job.OutputFormat describes the output-specification for a
Map-Reduce job.OutputFormat describes the output-specification for a
Map-Reduce job.OutputCommitter that commits files specified
in job output directory i.e.OutputCommitter
implementing partial commit of task output, as during preemption.Configuration object.
RawKeyValueIterator is an iterator used to iterate over
the raw keys and values during sort/merge of intermediate data.ResultSet.
RecordReader reads <key, value> pairs from an
InputSplit.Mapper.RecordWriter writes the output <key, value> pairs
to an output file.RecordWriter writes the output <key, value> pairs
to an output file.reduce(...) method of the Reducer with the
map(...) methods of the Mappers in the chain.
ProgressSplitsBlock
for an explanation of the meaning of that parameter.
Create an event to record completion of a reduce attempt
Reducer.Iterator to iterate over values for a given group of records.Reducer.Context passed on to the Reducer implementations.Mapper that extracts text matching a regular expression.Mapper that extracts text matching a regular expression.Token.renew(org.apache.hadoop.conf.Configuration) instead
Token.renew(org.apache.hadoop.conf.Configuration) instead
TaskCompletionEvent from the event stream.
Reducer.run(org.apache.hadoop.mapreduce.Reducer.Context) method to
control how the reduce task works.
RunningJob is the user-interface to query for details on a
running Map-Reduce job.OutputFormat that writes keys, values to
SequenceFiles in binary(raw) formatOutputFormat that writes keys,
values to SequenceFiles in binary(raw) formatInputFormat for SequenceFiles.InputFormat for SequenceFiles.OutputFormat that writes SequenceFiles.OutputFormat that writes SequenceFiles.RecordReader for SequenceFiles.RecordReader for SequenceFiles.SkipBadRecords.COUNTER_MAP_PROCESSED_RECORDS is incremented
by MapRunner after invoking the map function.
SkipBadRecords.COUNTER_REDUCE_PROCESSED_GROUPS is incremented
by framework after invoking the reduce function.
Job.setCacheArchives(URI[]) instead
Job.setCacheFiles(URI[]) instead
RawComparator comparator for
grouping keys in the input to the combiner.
Reducer.reduce(Object, Iterable,
org.apache.hadoop.mapreduce.Reducer.Context)
Reducer.reduce(Object, Iterable,
org.apache.hadoop.mapreduce.Reducer.Context)
InputFormat implementation for the map-reduce job.
InputFormat for the job.
Paths as the list of inputs
for the map-reduce job.
Paths as the list of inputs
for the map-reduce job.
JobPriority for this job.
KeyFieldBasedComparator options used to compare keys.
KeyFieldBasedComparator options used to compare keys.
KeyFieldBasedPartitioner options used for
Partitioner
KeyFieldBasedPartitioner options used for
Partitioner
bytes[offset:] in Python syntax.
CompressionCodec for the map outputs.
Mapper class for the job.
Mapper for the job.
MapRunnable class for the job.
JobConf.setMemoryForMapTask(long mem) and
Use JobConf.setMemoryForReduceTask(long mem)
bytes[left:(right+1)] in Python syntax.
OutputCommitter implementation for the map-reduce job.
SequenceFile.CompressionType for the output SequenceFile.
SequenceFile.CompressionType for the output SequenceFile.
CompressionCodec to be used to compress job outputs.
CompressionCodec to be used to compress job outputs.
OutputFormat implementation for the map-reduce job.
OutputFormat for the job.
RawComparator comparator used to compare keys.
Path of the output directory for the map-reduce job.
Path of the output directory for the map-reduce job.
RawComparator comparator for
grouping keys in the input to the reduce.
Partitioner class used to partition
Mapper-outputs to be sent to the Reducers.
Partitioner for the job.
TotalOrderPartitioner.setPartitionFile(Configuration, Path)
instead
Reducer class to the chain job.
Reducer class for the job.
Reducer for the job.
bytes[:(offset+1)] in Python syntax.
SequenceFile
SequenceFile
SequenceFile
SequenceFile
Reducer.
TaskStatus.
TaskCompletionEvent.setTaskAttemptId(TaskAttemptID) instead.
TaskCompletionEvent.setTaskAttemptId(TaskAttemptID) instead.
Path of the task's temporary output directory
for the map-reduce job.
AbstractCounters.countCounters() instead
Submitter.runJob(JobConf)
TaskCounter instead.TaskID.
TaskAttemptID.TaskAttemptID(String, int, TaskType, int, int).
TaskID.
ProgressSplitsBlock
for an explanation of the meaning of that parameter.
Create an event to record the unsuccessful completion of attempts
TaskID.TaskID(String, int, TaskType, int)
TaskID.TaskID(org.apache.hadoop.mapreduce.JobID, TaskType,
int)
JobID.
JobID.
InputFormat for plain text files.InputFormat for plain text files.OutputFormat that writes plain text files.OutputFormat that writes plain text files.Mapper that maps text values into TTConfig.TT_RESOURCE_CALCULATOR_PLUGIN instead
Writables.Writables.Mapper which wraps a given one to allow custom
WrappedMapper.Context implementations.Reducer which wraps a given one to allow for custom
WrappedReducer.Context implementations.PreparedStatement.
out.
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