这篇文章给大家分享的是有关Hadoop2.6.0中InputFormat和OutputFormat的用法示例的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。
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java.lang.Object
org.apache.hadoop.mapreduce.InputFormat<K, V>
org.apache.hadoop.mapreduce.lib.db.DBInputFormat<T extends DBWritable>
DataDrivenDBInputFormat<T extends DBWritable>
OracleDataDrivenDBInputFormat<T extends DBWritable>
org.apache.hadoop.mapreduce.lib.input.FileInputFormat<K, V>
CombineFileInputFormat<K, V>
CombineSequenceFileInputFormat<K,V>
CombineTextInputFormat<LongWritable,Text>
FixedLengthInputFormat<LongWritable, BytesWritable>
KeyValueTextInputFormat<Text, Text>
NLineInputFormat<LongWritable, Text>
SequenceFileInputFormat<K, V>
TextInputFormat<LongWritable, Text>InputFormat
public abstract class InputFormat<K, V> {
public abstract List<InputSplit> getSplits(JobContext context) throws IOException, InterruptedException;
public abstract RecordReader<K,V> createRecordReader(InputSplit split,TaskAttemptContext context)
throws IOException, InterruptedException;
}1、FileInputFormat
1.1 TextInputFormat
1.2 KeyValueTextInputFormat
1.3 SequenceFileInputFormat
1.4 CombineFileInputFormat
1.5 FixedLengthInputFormat
1.6 NLineInputFormat
2、DBInputFormat
2.1 DataDrivenDBInputFormat
2.1.1 OracleDataDrivenDBInputFormat
OutputFormat
public abstract class OutputFormat<K, V> {
public abstract RecordWriter<K, V> getRecordWriter(TaskAttemptContext context
) throws IOException, InterruptedException;
public abstract RecordWriter<K, V> getRecordWriter(TaskAttemptContext context
) throws IOException, InterruptedException;
public abstract OutputCommitter getOutputCommitter(TaskAttemptContext context
) throws IOException, InterruptedException;
}感谢各位的阅读！关于“Hadoop2.6.0中InputFormat和OutputFormat的用法示例”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！
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