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| Packages that use OutputFormat | |
|---|---|
| org.apache.hadoop.contrib.index.mapred | |
| 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.lib | Library of generally useful mappers, reducers, and partitioners. |
| org.apache.hadoop.mapred.lib.db | org.apache.hadoop.mapred.lib.db Package |
| Uses of OutputFormat in org.apache.hadoop.contrib.index.mapred |
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| Classes in org.apache.hadoop.contrib.index.mapred that implement OutputFormat | |
|---|---|
class |
IndexUpdateOutputFormat
The record writer of this output format simply puts a message in an output path when a shard update is done. |
| Uses of OutputFormat in org.apache.hadoop.examples.terasort |
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| Classes in org.apache.hadoop.examples.terasort that implement OutputFormat | |
|---|---|
class |
TeraOutputFormat
A streamlined text output format that writes key, value, and "\r\n". |
| Uses of OutputFormat in org.apache.hadoop.mapred |
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| Classes in org.apache.hadoop.mapred that implement OutputFormat | |
|---|---|
class |
FileOutputFormat<K,V>
A base class for OutputFormat. |
class |
MapFileOutputFormat
An OutputFormat that writes MapFiles. |
class |
SequenceFileAsBinaryOutputFormat
An OutputFormat that writes keys, values to
SequenceFiles in binary(raw) format |
class |
SequenceFileOutputFormat<K,V>
An OutputFormat that writes SequenceFiles. |
class |
TextOutputFormat<K,V>
An OutputFormat that writes plain text files. |
| Methods in org.apache.hadoop.mapred that return OutputFormat | |
|---|---|
OutputFormat |
JobConf.getOutputFormat()
Get the OutputFormat implementation for the map-reduce job,
defaults to TextOutputFormat if not specified explicity. |
| Method parameters in org.apache.hadoop.mapred with type arguments of type OutputFormat | |
|---|---|
void |
JobConf.setOutputFormat(Class<? extends OutputFormat> theClass)
Set the OutputFormat implementation for the map-reduce job. |
| Uses of OutputFormat in org.apache.hadoop.mapred.lib |
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| Classes in org.apache.hadoop.mapred.lib that implement OutputFormat | |
|---|---|
class |
MultipleOutputFormat<K,V>
This abstract class extends the FileOutputFormat, allowing to write the output data to different output files. |
class |
MultipleSequenceFileOutputFormat<K,V>
This class extends the MultipleOutputFormat, allowing to write the output data to different output files in sequence file output format. |
class |
MultipleTextOutputFormat<K,V>
This class extends the MultipleOutputFormat, allowing to write the output data to different output files in Text output format. |
class |
NullOutputFormat<K,V>
Consume all outputs and put them in /dev/null. |
| Methods in org.apache.hadoop.mapred.lib that return types with arguments of type OutputFormat | |
|---|---|
static Class<? extends OutputFormat> |
MultipleOutputs.getNamedOutputFormatClass(JobConf conf,
String namedOutput)
Returns the named output OutputFormat. |
| Method parameters in org.apache.hadoop.mapred.lib with type arguments of type OutputFormat | |
|---|---|
static void |
MultipleOutputs.addMultiNamedOutput(JobConf conf,
String namedOutput,
Class<? extends OutputFormat> outputFormatClass,
Class<?> keyClass,
Class<?> valueClass)
Adds a multi named output for the job. |
static void |
MultipleOutputs.addNamedOutput(JobConf conf,
String namedOutput,
Class<? extends OutputFormat> outputFormatClass,
Class<?> keyClass,
Class<?> valueClass)
Adds a named output for the job. |
| Uses of OutputFormat in org.apache.hadoop.mapred.lib.db |
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| Classes in org.apache.hadoop.mapred.lib.db that implement OutputFormat | |
|---|---|
class |
DBOutputFormat<K extends DBWritable,V>
A OutputFormat that sends the reduce output to a SQL table. |
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