@InterfaceAudience.Public @InterfaceStability.Stable public class SequenceFileOutputFormat<K,V> extends FileOutputFormat<K,V>
OutputFormat
that writes SequenceFile
s.BASE_OUTPUT_NAME, COMPRESS, COMPRESS_CODEC, COMPRESS_TYPE, OUTDIR, PART
Constructor and Description |
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SequenceFileOutputFormat() |
Modifier and Type | Method and Description |
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static org.apache.hadoop.io.SequenceFile.CompressionType |
getOutputCompressionType(JobContext job)
Get the
SequenceFile.CompressionType for the output SequenceFile . |
RecordWriter<K,V> |
getRecordWriter(TaskAttemptContext context)
Get the
RecordWriter for the given task. |
protected org.apache.hadoop.io.SequenceFile.Writer |
getSequenceWriter(TaskAttemptContext context,
Class<?> keyClass,
Class<?> valueClass) |
static void |
setOutputCompressionType(Job job,
org.apache.hadoop.io.SequenceFile.CompressionType style)
Set the
SequenceFile.CompressionType for the output SequenceFile . |
checkOutputSpecs, getCompressOutput, getDefaultWorkFile, getOutputCommitter, getOutputCompressorClass, getOutputName, getOutputPath, getPathForWorkFile, getUniqueFile, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputName, setOutputPath
protected org.apache.hadoop.io.SequenceFile.Writer getSequenceWriter(TaskAttemptContext context, Class<?> keyClass, Class<?> valueClass) throws IOException
IOException
public RecordWriter<K,V> getRecordWriter(TaskAttemptContext context) throws IOException, InterruptedException
OutputFormat
RecordWriter
for the given task.getRecordWriter
in class FileOutputFormat<K,V>
context
- the information about the current task.RecordWriter
to write the output for the job.IOException
InterruptedException
public static org.apache.hadoop.io.SequenceFile.CompressionType getOutputCompressionType(JobContext job)
SequenceFile.CompressionType
for the output SequenceFile
.job
- the Job
SequenceFile.CompressionType
for the output SequenceFile
,
defaulting to SequenceFile.CompressionType.RECORD
public static void setOutputCompressionType(Job job, org.apache.hadoop.io.SequenceFile.CompressionType style)
SequenceFile.CompressionType
for the output SequenceFile
.job
- the Job
to modifystyle
- the SequenceFile.CompressionType
for the output
SequenceFile
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