org.apache.hadoop.examples.terasort

Class TeraOutputFormat

java.lang.Object

org.apache.hadoop.mapreduce.OutputFormat<K,V>

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

org.apache.hadoop.examples.terasort.TeraOutputFormat

public class TeraOutputFormat
extends org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

An output format that writes the key and value appended together.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

org.apache.hadoop.mapreduce.lib.output.FileOutputFormat.Counter

Field Summary

Fields inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

BASE_OUTPUT_NAME, COMPRESS, COMPRESS_CODEC, COMPRESS_TYPE, OUTDIR, PART

Constructor Summary

Constructors

Constructor and Description
TeraOutputFormat()

Method Summary

Modifier and Type	Method and Description
void	checkOutputSpecs(org.apache.hadoop.mapreduce.JobContext job)
static boolean	getFinalSync(org.apache.hadoop.mapreduce.JobContext job) Does the user want a final sync at close?
org.apache.hadoop.mapreduce.RecordWriter<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>	getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext job)

Methods inherited from class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat

getCompressOutput, getDefaultWorkFile, getOutputCommitter, getOutputCompressorClass, getOutputName, getOutputPath, getPathForWorkFile, getUniqueFile, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputName, setOutputPath

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TeraOutputFormat

public TeraOutputFormat()

Method Detail

getFinalSync

public static boolean getFinalSync(org.apache.hadoop.mapreduce.JobContext job)

Does the user want a final sync at close?

checkOutputSpecs

public void checkOutputSpecs(org.apache.hadoop.mapreduce.JobContext job)
                      throws org.apache.hadoop.mapred.InvalidJobConfException,
                             IOException

Overrides:

checkOutputSpecs in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

org.apache.hadoop.mapred.InvalidJobConfException

IOException

getRecordWriter

public org.apache.hadoop.mapreduce.RecordWriter<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext job)
                                                                                                              throws IOException

Specified by:

getRecordWriter in class org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

IOException