Name | Description | Type | Package | Framework |
AbstractCounters | An abstract class to provide common implementation for the Counters container in both mapred and mapreduce packages. | Class | org.apache.hadoop.mapreduce.counters | Apache Hadoop |
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ArrayListBackedIterator | This class provides an implementation of ResetableIterator. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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ArrayListBackedIterator | This class provides an implementation of ResetableIterator. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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BigDecimalSplitter | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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BinaryPartitioner | Partition BinaryComparable keys using a configurable part of the bytes array returned by BinaryComparable. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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BinaryPartitioner | Partition BinaryComparable keys using a configurable part of the bytes array returned by BinaryComparable. | Class | org.apache.hadoop.mapreduce.lib.partition | Apache Hadoop |
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BooleanSplitter | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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CancelDelegationTokenRequest | | Interface | org.apache.hadoop.mapreduce.v2.api.protocolrecords | Apache Hadoop |
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ChainMapper | The ChainMapper class allows to use multiple Mapper classes within a single The Mapper classes are invoked in a chained (or piped) fashion, the output of | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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ChainMapper | The ChainMapper class allows to use multiple Mapper classes within a single The Mapper classes are invoked in a chained (or piped) fashion, the output of | Class | org.apache.hadoop.mapreduce.lib.chain | Apache Hadoop |
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ChainReducer | The ChainReducer class allows to chain multiple Mapper classes after a Reducer within the Reducer task. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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ChainReducer | The ChainReducer class allows to chain multiple Mapper classes after a Reducer within the Reducer task. | Class | org.apache.hadoop.mapreduce.lib.chain | Apache Hadoop |
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Checkpointable | Contract representing to the framework that the task can be safely preempted and restarted between invocations of the user-defined function. | Class | org.apache.hadoop.mapreduce.task.annotation | Apache Hadoop |
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CLI | | Class | org.apache.hadoop.mapreduce.tools | Apache Hadoop |
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Cluster | Provides a way to access information about the map/reduce cluster. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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ClusterMetrics | Status information on the current state of the Map-Reduce cluster. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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ClusterStatus | Status information on the current state of the Map-Reduce cluster. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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CombineFileInputFormat | An abstract InputFormat that returns CombineFileSplit's in InputFormat. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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CombineFileInputFormat | An abstract InputFormat that returns CombineFileSplit's in InputFormat. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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CombineFileRecordReader | A generic RecordReader that can hand out different recordReaders for each chunk in a CombineFileSplit. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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CombineFileRecordReader | A generic RecordReader that can hand out different recordReaders for each chunk in a CombineFileSplit. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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CombineFileRecordReaderWrapper | A wrapper class for a record reader that handles a single file split. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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CombineFileRecordReaderWrapper | A wrapper class for a record reader that handles a single file split. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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CombineFileSplit | | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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CombineFileSplit | A sub-collection of input files. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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CombineSequenceFileInputFormat | Input format that is a CombineFileInputFormat-equivalent for SequenceFileInputFormat. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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CombineSequenceFileInputFormat | Input format that is a CombineFileInputFormat-equivalent for SequenceFileInputFormat. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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CombineTextInputFormat | Input format that is a CombineFileInputFormat-equivalent forSee Also:CombineFileInputFormat | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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CombineTextInputFormat | Input format that is a CombineFileInputFormat-equivalent forSee Also:CombineFileInputFormat | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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ComposableInputFormat | Refinement of InputFormat requiring implementors to provide ComposableRecordReader instead of RecordReader. | Interface | org.apache.hadoop.mapred.join | Apache Hadoop |
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ComposableInputFormat | Refinement of InputFormat requiring implementors to provide ComposableRecordReader instead of RecordReader. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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ComposableRecordReader | Additional operations required of a RecordReader to participate in a join. | Interface | org.apache.hadoop.mapred.join | Apache Hadoop |
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ComposableRecordReader | Additional operations required of a RecordReader to participate in a join. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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CompositeInputFormat | An InputFormat capable of performing joins over a set of data sources sorted and partitioned the same way. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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CompositeInputFormat | An InputFormat capable of performing joins over a set of data sources sorted and partitioned the same way. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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CompositeInputSplit | This InputSplit contains a set of child InputSplits. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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CompositeInputSplit | This InputSplit contains a set of child InputSplits. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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CompositeRecordReader | A RecordReader that can effect joins of RecordReaders sharing a common key type and partitioning. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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CompositeRecordReader | A RecordReader that can effect joins of RecordReaders sharing a common key type and partitioning. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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ControlledJob | This class encapsulates a MapReduce job and its dependency. | Class | org.apache.hadoop.mapreduce.lib.jobcontrol | Apache Hadoop |
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Counter | A named counter that tracks the progress of a map/reduce job. | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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CounterGroup | A group of Counters that logically belong together. | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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CounterGroupBase | The common counter group interface. | Interface | org.apache.hadoop.mapreduce.counters | Apache Hadoop |
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Counters | A set of named counters. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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Counters | Counters holds per job/task counters, defined either by the Map-Reduce framework or applications. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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Counters .Counter | A counter record, comprising its name and value. | Class | org.apache.hadoop.mapred.Counters | Apache Hadoop |
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Counters .Group | Group of counters, comprising of counters from a particular counter Enum class. | Class | org.apache.hadoop.mapred.Counters | Apache Hadoop |
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DataDrivenDBInputFormat | A InputFormat that reads input data from an SQL table. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DataDrivenDBRecordReader | A RecordReader that reads records from a SQL table, using data-driven WHERE clause splits. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DateSplitter | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DBConfiguration | | Class | org.apache.hadoop.mapred.lib.db | Apache Hadoop |
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DBConfiguration | A container for configuration property names for jobs with DB input/output. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DBInputFormat | | Class | org.apache.hadoop.mapred.lib.db | Apache Hadoop |
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DBInputFormat | A InputFormat that reads input data from an SQL table. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DBOutputFormat | | Class | org.apache.hadoop.mapred.lib.db | Apache Hadoop |
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DBOutputFormat | A OutputFormat that sends the reduce output to a SQL table. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DBRecordReader | A RecordReader that reads records from a SQL table. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DBSplitter | DBSplitter will generate DBInputSplits to use with DataDrivenDBInputFormat. | Interface | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DBWritable | Objects that are read from/written to a database should implement DBWritable. | Interface | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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DoubleValueSum | | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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DoubleValueSum | | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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FieldSelectionHelper | This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut. | Class | org.apache.hadoop.mapreduce.lib.fieldsel | Apache Hadoop |
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FieldSelectionMapper | This class implements a mapper class that can be used to perform field selections in a manner similar to unix cut. | Class | org.apache.hadoop.mapreduce.lib.fieldsel | Apache Hadoop |
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FieldSelectionMapReduce | This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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FieldSelectionReducer | This class implements a reducer class that can be used to perform field selections in a manner similar to unix cut. | Class | org.apache.hadoop.mapreduce.lib.fieldsel | Apache Hadoop |
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FileAlreadyExistsException | Used when target file already exists for any operation and is not configured to be overwritten. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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FileInputFormat | A base class for file-based InputFormat. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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FileInputFormat | A base class for file-based InputFormats. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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FileInputFormatCounter | enum FileInputFormatCounterEnum Constant Summary | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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FileOutputCommitter | An OutputCommitter that commits files specified in job output directory i. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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FileOutputCommitter | An OutputCommitter that commits files specified in job output directory i. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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FileOutputFormat | A base class for OutputFormat. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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FileOutputFormat | A base class for OutputFormats that read from FileSystems. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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FileOutputFormatCounter | enum FileOutputFormatCounterEnum Constant Summary | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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FileSplit | A section of an input file. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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FileSplit | A section of an input file. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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FilterOutputFormat | FilterOutputFormat is a convenience class that wraps OutputFormat. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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FilterOutputFormat | FilterOutputFormat is a convenience class that wraps OutputFormat. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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FixedLengthInputFormat | FixedLengthInputFormat is an input format used to read input files which contain fixed length records. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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FixedLengthInputFormat | FixedLengthInputFormat is an input format used to read input files which contain fixed length records. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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FloatSplitter | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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GetDelegationTokenRequest | | Interface | org.apache.hadoop.mapreduce.v2.api.protocolrecords | Apache Hadoop |
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HashPartitioner | Partition keys by their Object. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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HashPartitioner | Partition keys by their Object. | Class | org.apache.hadoop.mapreduce.lib.partition | Apache Hadoop |
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HistoryFileManager | | Class | org.apache.hadoop.mapreduce.v2.hs | Apache Hadoop |
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HistoryStorage | Provides an API to query jobs that have finished. | Interface | org.apache.hadoop.mapreduce.v2.hs | Apache Hadoop |
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ID | A general identifier, which internally stores the id as an integer. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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ID | A general identifier, which internally stores the id as an integer. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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IdentityMapper | | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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IdentityReducer | Performs no reduction, writing all input values directly to the output. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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InnerJoinRecordReader | | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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InnerJoinRecordReader | | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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InputFormat | InputFormat describes the input-specification for a The Map-Reduce framework relies on the InputFormat of the | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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InputFormat | InputFormat describes the input-specification for a The Map-Reduce framework relies on the InputFormat of the | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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InputSampler | | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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InputSampler | Utility for collecting samples and writing a partition file for TotalOrderPartitioner. | Class | org.apache.hadoop.mapreduce.lib.partition | Apache Hadoop |
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InputSplit | InputSplit represents the data to be processed by an individual Mapper. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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InputSplit | InputSplit represents the data to be processed by an individual Mapper. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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InputSplitWithLocationInfo | | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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IntegerSplitter | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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IntSumReducer | | Class | org.apache.hadoop.mapreduce.lib.reduce | Apache Hadoop |
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InvalidFileTypeException | Used when file type differs from the desired file type. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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InvalidInputException | This class wraps a list of problems with the input, so that the user can get a list of problems together instead of finding and fixing them one | Class | org.apache.hadoop.mapred | Apache Hadoop |
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InvalidInputException | This class wraps a list of problems with the input, so that the user can get a list of problems together instead of finding and fixing them one | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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InvalidJobConfException | This exception is thrown when jobconf misses some mendatory attributes or value of some attributes is invalid. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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InverseMapper | A Mapper that swaps keys and values. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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InverseMapper | A Mapper that swaps keys and values. | Class | org.apache.hadoop.mapreduce.lib.map | Apache Hadoop |
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Job | | Class | org.apache.hadoop.mapred.jobcontrol | Apache Hadoop |
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Job | The job submitter's view of the Job. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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JobClient | JobClient is the primary interface for the user-job to interact JobClient provides facilities to submit jobs, track their | Class | org.apache.hadoop.mapred | Apache Hadoop |
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JobConf | A map/reduce job configuration. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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JobConfigurable | That what may be configured. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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JobContext | | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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JobContext | | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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JobControl | | Class | org.apache.hadoop.mapred.jobcontrol | Apache Hadoop |
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JobControl | This class encapsulates a set of MapReduce jobs and its dependency. | Class | org.apache.hadoop.mapreduce.lib.jobcontrol | Apache Hadoop |
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JobCounter | | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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JobID | JobID represents the immutable and unique identifier for the job. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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JobID | JobID represents the immutable and unique identifier for the job. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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JobPriority | Used to describe the priority of the running job. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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JobPriority | Used to describe the priority of the running job. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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JobQueueInfo | Class that contains the information regarding the Job Queues which are maintained by the Hadoop Map/Reduce framework. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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JobStatus | Describes the current status of a job. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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JobStatus | Describes the current status of a job. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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JoinRecordReader | Base class for Composite joins returning Tuples of arbitrary Writables. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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JoinRecordReader | Base class for Composite joins returning Tuples of arbitrary Writables. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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KeyFieldBasedComparator | This comparator implementation provides a subset of the features provided by the Unix/GNU Sort. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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KeyFieldBasedComparator | This comparator implementation provides a subset of the features provided by the Unix/GNU Sort. | Class | org.apache.hadoop.mapreduce.lib.partition | Apache Hadoop |
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KeyFieldBasedPartitioner | Defines a way to partition keys based on certain key fields (also see KeyFieldBasedComparator. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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KeyFieldBasedPartitioner | Defines a way to partition keys based on certain key fields (also see KeyFieldBasedComparator. | Class | org.apache.hadoop.mapreduce.lib.partition | Apache Hadoop |
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KeyValueLineRecordReader | This class treats a line in the input as a key/value pair separated by a separator character. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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KeyValueLineRecordReader | This class treats a line in the input as a key/value pair separated by a separator character. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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KeyValueTextInputFormat | An InputFormat for plain text files. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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KeyValueTextInputFormat | An InputFormat for plain text files. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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LazyOutputFormat | A Convenience class that creates output lazily. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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LazyOutputFormat | A Convenience class that creates output lazily. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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LongSumReducer | A Reducer that sums long values. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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LongSumReducer | | Class | org.apache.hadoop.mapreduce.lib.reduce | Apache Hadoop |
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LongValueMax | This class implements a value aggregator that maintain the maximum of a sequence of long values. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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LongValueMax | This class implements a value aggregator that maintain the maximum of a sequence of long values. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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LongValueMin | This class implements a value aggregator that maintain the minimum of a sequence of long values. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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LongValueMin | This class implements a value aggregator that maintain the minimum of a sequence of long values. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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LongValueSum | This class implements a value aggregator that sums up a sequence of long values. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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LongValueSum | This class implements a value aggregator that sums up a sequence of long values. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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MapContext | The context that is given to the Mapper. | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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MapFileOutputFormat | An OutputFormat that writes MapFiles. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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MapFileOutputFormat | | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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Mapper | Maps input key/value pairs to a set of intermediate key/value pairs. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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Mapper | Maps input key/value pairs to a set of intermediate key/value pairs. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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MapReduceBase | Base class for Mapper and Reducer implementations. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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MapRunnable | Expert: Generic interface for Mappers. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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MapRunner | Default MapRunnable implementation. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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MarkableIterator | MarkableIterator is a wrapper iterator class that implements the MarkableIteratorInterface. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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MultiFileInputFormat | An abstract InputFormat that returns MultiFileSplit's in getSplits(JobConf, int) method. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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MultiFileSplit | A sub-collection of input files. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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MultiFilterRecordReader | Base class for Composite join returning values derived from multiple sources, but generally not tuples. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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MultiFilterRecordReader | Base class for Composite join returning values derived from multiple sources, but generally not tuples. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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MultipleInputs | This class supports MapReduce jobs that have multiple input paths with a different InputFormat and Mapper for each path | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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MultipleInputs | This class supports MapReduce jobs that have multiple input paths with a different InputFormat and Mapper for each path | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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MultipleOutputFormat | This abstract class extends the FileOutputFormat, allowing to write the output data to different output files. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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MultipleOutputs | The MultipleOutputs class simplifies writting to additional outputs other than the job default output via the OutputCollector passed to | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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MultipleOutputs | The MultipleOutputs class simplifies writing output data to multiple outputs | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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MultipleSequenceFileOutputFormat | This class extends the MultipleOutputFormat, allowing to write the output data to different output files in sequence file output format. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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MultipleTextOutputFormat | This class extends the MultipleOutputFormat, allowing to write the output data to different output files in Text output format. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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MultithreadedMapper | Multithreaded implementation for @link org. | Class | org.apache.hadoop.mapreduce.lib.map | Apache Hadoop |
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MultithreadedMapRunner | Multithreaded implementation for MapRunnable. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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MySQLDataDrivenDBRecordReader | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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MySQLDBRecordReader | A RecordReader that reads records from a MySQL table. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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NLineInputFormat | NLineInputFormat which splits N lines of input as one split. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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NLineInputFormat | NLineInputFormat which splits N lines of input as one split. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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NullOutputFormat | Consume all outputs and put them in /dev/null. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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NullOutputFormat | Consume all outputs and put them in /dev/null. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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OracleDataDrivenDBInputFormat | A InputFormat that reads input data from an SQL table in an Oracle db. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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OracleDataDrivenDBRecordReader | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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OracleDateSplitter | Make use of logic from DateSplitter, since this just needs to use some Oracle-specific functions on the formatting end when generating | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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OracleDBRecordReader | A RecordReader that reads records from an Oracle SQL table. | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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OuterJoinRecordReader | | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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OuterJoinRecordReader | | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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OutputCollector | Collects the pairs output by Mappers OutputCollector is the generalization of the facility | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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OutputCommitter | OutputCommitter describes the commit of task output for a The Map-Reduce framework relies on the OutputCommitter of | Class | org.apache.hadoop.mapred | Apache Hadoop |
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OutputCommitter | OutputCommitter describes the commit of task output for a The Map-Reduce framework relies on the OutputCommitter of | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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OutputFormat | OutputFormat describes the output-specification for a The Map-Reduce framework relies on the OutputFormat of the | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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OutputFormat | OutputFormat describes the output-specification for a The Map-Reduce framework relies on the OutputFormat of the | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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OutputLogFilter | This class filters log files from directory given It doesnt accept paths having _logs. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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OverrideRecordReader | Prefer the "rightmost" data source for this key. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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OverrideRecordReader | Prefer the "rightmost" data source for this key. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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Parser | Very simple shift-reduce parser for join expressions. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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Parser | Very simple shift-reduce parser for join expressions. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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Parser .Node | | Class | org.apache.hadoop.mapred.join.Parser | Apache Hadoop |
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Parser .Node | | Class | org.apache.hadoop.mapreduce.lib.join.Parser | Apache Hadoop |
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Parser .NodeToken | | Class | org.apache.hadoop.mapred.join.Parser | Apache Hadoop |
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Parser .NodeToken | | Class | org.apache.hadoop.mapreduce.lib.join.Parser | Apache Hadoop |
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Parser .NumToken | | Class | org.apache.hadoop.mapred.join.Parser | Apache Hadoop |
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Parser .NumToken | | Class | org.apache.hadoop.mapreduce.lib.join.Parser | Apache Hadoop |
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Parser .StrToken | | Class | org.apache.hadoop.mapred.join.Parser | Apache Hadoop |
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Parser .StrToken | | Class | org.apache.hadoop.mapreduce.lib.join.Parser | Apache Hadoop |
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Parser .Token | Tagged-union type for tokens from the join expression. | Class | org.apache.hadoop.mapred.join.Parser | Apache Hadoop |
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Parser .Token | Tagged-union type for tokens from the join expression. | Class | org.apache.hadoop.mapreduce.lib.join.Parser | Apache Hadoop |
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Parser .TType | | Class | org.apache.hadoop.mapred.join.Parser | Apache Hadoop |
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Parser .TType | | Class | org.apache.hadoop.mapreduce.lib.join.Parser | Apache Hadoop |
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PartialFileOutputCommitter | An OutputCommitter that commits files specified in job output directory i. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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PartialOutputCommitter | Interface for an OutputCommitter implementing partial commit of task output, as during preemption. | Interface | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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Partitioner | Partitions the key space. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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Partitioner | Partitions the key space. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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QueueAclsInfo | | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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QueueInfo | Class that contains the information regarding the Job Queues which are maintained by the Hadoop Map/Reduce framework. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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QueueState | Enum representing queue stateEnum Constant Summary | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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RecordReader | RecordReader reads pairs from an RecordReader, typically, converts the byte-oriented view of | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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RecordReader | | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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RecordWriter | RecordWriter writes the output pairs RecordWriter implementations write the job outputs to the | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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RecordWriter | RecordWriter writes the output pairs RecordWriter implementations write the job outputs to the | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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ReduceContext | The context passed to the Reducer. | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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Reducer | Reduces a set of intermediate values which share a key to a smaller set of The number of Reducers for the job is set by the user via | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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Reducer | Reduces a set of intermediate values which share a key to a smaller set of Reducer implementations | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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RegexMapper | A Mapper that extracts text matching a regular expression. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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RegexMapper | A Mapper that extracts text matching a regular expression. | Class | org.apache.hadoop.mapreduce.lib.map | Apache Hadoop |
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RenewDelegationTokenRequest | The request issued by the client to renew a delegation token from the ResourceManager. | Interface | org.apache.hadoop.mapreduce.v2.api.protocolrecords | Apache Hadoop |
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RenewDelegationTokenResponse | The response to a renewDelegationToken call to the ResourceManager. | Interface | org.apache.hadoop.mapreduce.v2.api.protocolrecords | Apache Hadoop |
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Reporter | A facility for Map-Reduce applications to report progress and update counters, status information etc. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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ResetableIterator | This defines an interface to a stateful Iterator that can replay elements added to it directly. | Interface | org.apache.hadoop.mapred.join | Apache Hadoop |
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ResetableIterator | This defines an interface to a stateful Iterator that can replay elements added to it directly. | Interface | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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RunningJob | RunningJob is the user-interface to query for details on a running Map-Reduce job. | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileAsBinaryInputFormat | | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileAsBinaryInputFormat | | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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SequenceFileAsBinaryOutputFormat | An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileAsBinaryOutputFormat | An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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SequenceFileAsTextInputFormat | This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileAsTextInputFormat | This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader which converts the input keys and values | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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SequenceFileAsTextRecordReader | This class converts the input keys and values to their String forms by calling toString() method. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileAsTextRecordReader | This class converts the input keys and values to their String forms by calling toString() method. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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SequenceFileInputFilter | A class that allows a map/red job to work on a sample of sequence files. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileInputFilter | A class that allows a map/red job to work on a sample of sequence files. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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SequenceFileInputFormat | An InputFormat for SequenceFiles. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileInputFormat | An InputFormat for SequenceFiles. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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SequenceFileOutputFormat | An OutputFormat that writes SequenceFiles. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileOutputFormat | An OutputFormat that writes SequenceFiles. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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SequenceFileRecordReader | An RecordReader for SequenceFiles. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SequenceFileRecordReader | An RecordReader for SequenceFiles. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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SkipBadRecords | Utility class for skip bad records functionality. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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SplitLocationInfo | | Class | org.apache.hadoop.mapred | Apache Hadoop |
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StreamBackedIterator | This class provides an implementation of ResetableIterator. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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StreamBackedIterator | This class provides an implementation of ResetableIterator. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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StringValueMax | This class implements a value aggregator that maintain the biggest of a sequence of strings. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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StringValueMax | This class implements a value aggregator that maintain the biggest of a sequence of strings. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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StringValueMin | This class implements a value aggregator that maintain the smallest of a sequence of strings. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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StringValueMin | This class implements a value aggregator that maintain the smallest of a sequence of strings. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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Submitter | The main entry point and job submitter. | Class | org.apache.hadoop.mapred.pipes | Apache Hadoop |
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TaskAttemptContext | | Interface | org.apache.hadoop.mapred | Apache Hadoop |
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TaskAttemptContext | The context for task attempts. | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskAttemptID | TaskAttemptID represents the immutable and unique identifier for a task attempt. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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TaskAttemptID | TaskAttemptID represents the immutable and unique identifier for a task attempt. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskCompletionEvent | | Class | org.apache.hadoop.mapred | Apache Hadoop |
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TaskCompletionEvent | | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskCompletionEvent .Status | Task Event Attempt failed but there are attempts remaining. | Class | org.apache.hadoop.mapred.TaskCompletionEvent | Apache Hadoop |
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TaskCompletionEvent .Status | Task Event Attempt failed but there are attempts remaining. | Class | org.apache.hadoop.mapreduce.TaskCompletionEvent | Apache Hadoop |
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TaskCounter | | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskID | TaskID represents the immutable and unique identifier for a Map or Reduce Task. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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TaskID | TaskID represents the immutable and unique identifier for a Map or Reduce Task. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskInputOutputContext | A context object that allows input and output from the task. | Interface | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskReport | A report on the state of a task. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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TaskTrackerInfo | Information about TaskTracker. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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TaskType | Enum for map, reduce, job-setup, job-cleanup, task-cleanup task types. | Class | org.apache.hadoop.mapreduce | Apache Hadoop |
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TextInputFormat | An InputFormat for plain text files. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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TextInputFormat | An InputFormat for plain text files. | Class | org.apache.hadoop.mapreduce.lib.input | Apache Hadoop |
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TextOutputFormat | An OutputFormat that writes plain text files. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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TextOutputFormat | An OutputFormat that writes plain text files. | Class | org.apache.hadoop.mapreduce.lib.output | Apache Hadoop |
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TextSplitter | | Class | org.apache.hadoop.mapreduce.lib.db | Apache Hadoop |
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TokenCache | This class provides user facing APIs for transferring secrets from the job client to the tasks. | Class | org.apache.hadoop.mapreduce.security | Apache Hadoop |
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TokenCounterMapper | Tokenize the input values and emit each word with a count of 1. | Class | org.apache.hadoop.mapreduce.lib.map | Apache Hadoop |
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TokenCountMapper | A Mapper that maps text values into pairs. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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TotalOrderPartitioner | Partitioner effecting a total order by reading split points from an externally generated source. | Class | org.apache.hadoop.mapred.lib | Apache Hadoop |
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TotalOrderPartitioner | Partitioner effecting a total order by reading split points from an externally generated source. | Class | org.apache.hadoop.mapreduce.lib.partition | Apache Hadoop |
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TupleWritable | Writable type storing multiple Writables. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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TupleWritable | Writable type storing multiple Writables. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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UniqValueCount | This class implements a value aggregator that dedupes a sequence of objects. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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UniqValueCount | This class implements a value aggregator that dedupes a sequence of objects. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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UserDefinedValueAggregatorDescriptor | This class implements a wrapper for a user defined value aggregator It serves two functions: One is to create an object of | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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UserDefinedValueAggregatorDescriptor | This class implements a wrapper for a user defined value aggregator descriptor. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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Utils | A utility class. | Class | org.apache.hadoop.mapred | Apache Hadoop |
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ValueAggregator | This interface defines the minimal protocol for value aggregators. | Interface | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregator | This interface defines the minimal protocol for value aggregators. | Interface | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorBaseDescriptor | This class implements the common functionalities of the subclasses of ValueAggregatorDescriptor class. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorBaseDescriptor | This class implements the common functionalities of the subclasses of ValueAggregatorDescriptor class. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorCombiner | This class implements the generic combiner of Aggregate. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorCombiner | This class implements the generic combiner of Aggregate. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorDescriptor | This interface defines the contract a value aggregator descriptor must support. | Interface | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorDescriptor | This interface defines the contract a value aggregator descriptor must support. | Interface | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorJob | This is the main class for creating a map/reduce job using Aggregate framework. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorJob | This is the main class for creating a map/reduce job using Aggregate framework. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorJobBase | This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorJobBase | This abstract class implements some common functionalities of the the generic mapper, reducer and combiner classes of Aggregate. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorMapper | This class implements the generic mapper of Aggregate. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorMapper | This class implements the generic mapper of Aggregate. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueAggregatorReducer | This class implements the generic reducer of Aggregate. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueAggregatorReducer | This class implements the generic reducer of Aggregate. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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ValueHistogram | This class implements a value aggregator that computes the histogram of a sequence of strings. | Class | org.apache.hadoop.mapred.lib.aggregate | Apache Hadoop |
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ValueHistogram | This class implements a value aggregator that computes the histogram of a sequence of strings. | Class | org.apache.hadoop.mapreduce.lib.aggregate | Apache Hadoop |
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WrappedMapper | A Mapper which wraps a given one to allow custom Mapper. | Class | org.apache.hadoop.mapreduce.lib.map | Apache Hadoop |
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WrappedRecordReader | Proxy class for a RecordReader participating in the join framework. | Class | org.apache.hadoop.mapred.join | Apache Hadoop |
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WrappedRecordReader | Proxy class for a RecordReader participating in the join framework. | Class | org.apache.hadoop.mapreduce.lib.join | Apache Hadoop |
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WrappedReducer | A Reducer which wraps a given one to allow for custom Reducer. | Class | org.apache.hadoop.mapreduce.lib.reduce | Apache Hadoop |
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SparkCounter | | Class | org.apache.hadoop.mapred | Apache Crunch |