Uses of Class
org.apache.hadoop.classification.InterfaceAudience.Public

Packages that use InterfaceAudience.Public

org.apache.hadoop.classification
org.apache.hadoop.log.metrics
org.apache.hadoop.mapreduce.lib.db
org.apache.hadoop.mapreduce.lib.fieldsel
org.apache.hadoop.mapreduce.lib.input
org.apache.hadoop.mapreduce.lib.jobcontrol
org.apache.hadoop.mapreduce.lib.output
org.apache.hadoop.mapreduce.lib.partition
org.apache.hadoop.metrics.file	Implementation of the metrics package that writes the metrics to a file.
org.apache.hadoop.metrics.ganglia	Implementation of the metrics package that sends metric data to Ganglia.
org.apache.hadoop.metrics.spi	Note, this package is deprecated in favor of org.apache.hadoop.metrics2 usage.
org.apache.hadoop.net	Network-related classes.

Uses of InterfaceAudience.Public in org.apache.hadoop.classification

Classes in org.apache.hadoop.classification with annotations of type InterfaceAudience.Public

class	InterfaceAudience Annotation to inform users of a package, class or method's intended audience.
class	InterfaceStability Annotation to inform users of how much to rely on a particular package, class or method not changing over time.

Uses of InterfaceAudience.Public in org.apache.hadoop.log.metrics

Classes in org.apache.hadoop.log.metrics with annotations of type InterfaceAudience.Public

class

EventCounter A log4J Appender that simply counts logging events in three levels: fatal, error and warn.

Uses of InterfaceAudience.Public in org.apache.hadoop.mapreduce.lib.db

Classes in org.apache.hadoop.mapreduce.lib.db with annotations of type InterfaceAudience.Public

class	BigDecimalSplitter Implement DBSplitter over BigDecimal values.
class	BooleanSplitter Implement DBSplitter over boolean values.
class	DataDrivenDBInputFormat<T extends DBWritable> A InputFormat that reads input data from an SQL table.
class	DataDrivenDBRecordReader<T extends DBWritable> A RecordReader that reads records from a SQL table, using data-driven WHERE clause splits.
class	DateSplitter Implement DBSplitter over date/time values.
class	DBConfiguration A container for configuration property names for jobs with DB input/output.
class	DBInputFormat<T extends DBWritable> A InputFormat that reads input data from an SQL table.
class	DBOutputFormat<K extends DBWritable,V> A OutputFormat that sends the reduce output to a SQL table.
class	DBRecordReader<T extends DBWritable> A RecordReader that reads records from a SQL table.
interface	DBSplitter DBSplitter will generate DBInputSplits to use with DataDrivenDBInputFormat.
interface	DBWritable Objects that are read from/written to a database should implement DBWritable.
class	FloatSplitter Implement DBSplitter over floating-point values.
class	IntegerSplitter Implement DBSplitter over integer values.
class	MySQLDataDrivenDBRecordReader<T extends DBWritable> A RecordReader that reads records from a MySQL table via DataDrivenDBRecordReader
class	MySQLDBRecordReader<T extends DBWritable> A RecordReader that reads records from a MySQL table.
class	OracleDataDrivenDBInputFormat<T extends DBWritable> A InputFormat that reads input data from an SQL table in an Oracle db.
class	OracleDataDrivenDBRecordReader<T extends DBWritable> A RecordReader that reads records from a Oracle table via DataDrivenDBRecordReader
class	OracleDateSplitter Implement DBSplitter over date/time values returned by an Oracle db.
class	OracleDBRecordReader<T extends DBWritable> A RecordReader that reads records from an Oracle SQL table.
class	TextSplitter Implement DBSplitter over text strings.

Uses of InterfaceAudience.Public in org.apache.hadoop.mapreduce.lib.fieldsel

Classes in org.apache.hadoop.mapreduce.lib.fieldsel with annotations of type InterfaceAudience.Public

class	FieldSelectionHelper This class implements a mapper/reducer class that can be used to perform field selections in a manner similar to unix cut.
class	FieldSelectionMapper<K,V> This class implements a mapper class that can be used to perform field selections in a manner similar to unix cut.
class	FieldSelectionReducer<K,V> This class implements a reducer class that can be used to perform field selections in a manner similar to unix cut.

Uses of InterfaceAudience.Public in org.apache.hadoop.mapreduce.lib.input

Classes in org.apache.hadoop.mapreduce.lib.input with annotations of type InterfaceAudience.Public

class	CombineFileInputFormat<K,V> An abstract InputFormat that returns CombineFileSplit's in InputFormat.getSplits(JobContext) method.
class	CombineFileRecordReader<K,V> A generic RecordReader that can hand out different recordReaders for each chunk in a CombineFileSplit.
class	CombineFileSplit A sub-collection of input files.
class	KeyValueLineRecordReader This class treats a line in the input as a key/value pair separated by a separator character.
class	KeyValueTextInputFormat An InputFormat for plain text files.
class	MultipleInputs This class supports MapReduce jobs that have multiple input paths with a different InputFormat and Mapper for each path
class	NLineInputFormat NLineInputFormat which splits N lines of input as one split.
class	SequenceFileAsBinaryInputFormat InputFormat reading keys, values from SequenceFiles in binary (raw) format.
class	SequenceFileAsTextInputFormat This class is similar to SequenceFileInputFormat, except it generates SequenceFileAsTextRecordReader which converts the input keys and values to their String forms by calling toString() method.
class	SequenceFileAsTextRecordReader This class converts the input keys and values to their String forms by calling toString() method.
class	SequenceFileInputFilter<K,V> A class that allows a map/red job to work on a sample of sequence files.

Uses of InterfaceAudience.Public in org.apache.hadoop.mapreduce.lib.jobcontrol

Classes in org.apache.hadoop.mapreduce.lib.jobcontrol with annotations of type InterfaceAudience.Public

class	ControlledJob This class encapsulates a MapReduce job and its dependency.
class	JobControl This class encapsulates a set of MapReduce jobs and its dependency.

Uses of InterfaceAudience.Public in org.apache.hadoop.mapreduce.lib.output

Classes in org.apache.hadoop.mapreduce.lib.output with annotations of type InterfaceAudience.Public

class	FilterOutputFormat<K,V> FilterOutputFormat is a convenience class that wraps OutputFormat.
class	LazyOutputFormat<K,V> A Convenience class that creates output lazily.
class	MultipleOutputs<KEYOUT,VALUEOUT> The MultipleOutputs class simplifies writing output data to multiple outputs
class	SequenceFileAsBinaryOutputFormat An OutputFormat that writes keys, values to SequenceFiles in binary(raw) format

Uses of InterfaceAudience.Public in org.apache.hadoop.mapreduce.lib.partition

Classes in org.apache.hadoop.mapreduce.lib.partition with annotations of type InterfaceAudience.Public

class	BinaryPartitioner<V> Partition BinaryComparable keys using a configurable part of the bytes array returned by BinaryComparable.getBytes().
class	InputSampler<K,V> Utility for collecting samples and writing a partition file for TotalOrderPartitioner.
class	KeyFieldBasedComparator<K,V> This comparator implementation provides a subset of the features provided by the Unix/GNU Sort.
class	KeyFieldBasedPartitioner<K2,V2> Defines a way to partition keys based on certain key fields (also see KeyFieldBasedComparator.
class	TotalOrderPartitioner<K extends WritableComparable<?>,V> Partitioner effecting a total order by reading split points from an externally generated source.

Uses of InterfaceAudience.Public in org.apache.hadoop.metrics.file

Classes in org.apache.hadoop.metrics.file with annotations of type InterfaceAudience.Public

class

FileContext Deprecated. use FileSink instead.

Uses of InterfaceAudience.Public in org.apache.hadoop.metrics.ganglia

Classes in org.apache.hadoop.metrics.ganglia with annotations of type InterfaceAudience.Public

class

GangliaContext Deprecated. in favor of org.apache.hadoop.metrics2 usage.

Uses of InterfaceAudience.Public in org.apache.hadoop.metrics.spi

Classes in org.apache.hadoop.metrics.spi with annotations of type InterfaceAudience.Public

class	AbstractMetricsContext Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	CompositeContext Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	MetricsRecordImpl Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	MetricValue Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	NoEmitMetricsContext Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	NullContext Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	NullContextWithUpdateThread Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	OutputRecord Deprecated. in favor of org.apache.hadoop.metrics2 usage.
class	Util Static utility methods

Uses of InterfaceAudience.Public in org.apache.hadoop.net

Classes in org.apache.hadoop.net with annotations of type InterfaceAudience.Public

interface

DNSToSwitchMapping An interface that should be implemented to allow pluggable DNS-name/IP-address to RackID resolvers.