@InterfaceAudience.Private
public interface NativeTaskOutput
| Modifier and Type | Method and Description |
|---|---|
org.apache.hadoop.fs.Path |
getInputFile(int mapId)
Return a local reduce input file created earlier
|
org.apache.hadoop.fs.Path |
getInputFileForWrite(org.apache.hadoop.mapred.TaskID mapId,
long size,
org.apache.hadoop.conf.Configuration conf)
Create a local reduce input file name.
|
org.apache.hadoop.fs.Path |
getOutputFile()
Return the path to local map output file created earlier
|
org.apache.hadoop.fs.Path |
getOutputFileForWrite(long size)
Create a local map output file name.
|
org.apache.hadoop.fs.Path |
getOutputIndexFile()
Return the path to a local map output index file created earlier
|
org.apache.hadoop.fs.Path |
getOutputIndexFileForWrite(long size)
Create a local map output index file name.
|
String |
getOutputName(int partition) |
org.apache.hadoop.fs.Path |
getSpillFile(int spillNumber)
Return a local map spill file created earlier.
|
org.apache.hadoop.fs.Path |
getSpillFileForWrite(int spillNumber,
long size)
Create a local map spill file name.
|
org.apache.hadoop.fs.Path |
getSpillIndexFile(int spillNumber)
Return a local map spill index file created earlier
|
org.apache.hadoop.fs.Path |
getSpillIndexFileForWrite(int spillNumber,
long size)
Create a local map spill index file name.
|
void |
removeAll()
Removes all of the files related to a task.
|
org.apache.hadoop.fs.Path getOutputFile()
throws IOException
IOExceptionorg.apache.hadoop.fs.Path getOutputFileForWrite(long size)
throws IOException
size - the size of the fileIOExceptionorg.apache.hadoop.fs.Path getOutputIndexFile()
throws IOException
IOExceptionorg.apache.hadoop.fs.Path getOutputIndexFileForWrite(long size)
throws IOException
size - the size of the fileIOExceptionorg.apache.hadoop.fs.Path getSpillFile(int spillNumber)
throws IOException
spillNumber - the numberIOExceptionorg.apache.hadoop.fs.Path getSpillFileForWrite(int spillNumber,
long size)
throws IOException
spillNumber - the numbersize - the size of the fileIOExceptionorg.apache.hadoop.fs.Path getSpillIndexFile(int spillNumber)
throws IOException
spillNumber - the numberIOExceptionorg.apache.hadoop.fs.Path getSpillIndexFileForWrite(int spillNumber,
long size)
throws IOException
size - the size of the fileIOExceptionorg.apache.hadoop.fs.Path getInputFile(int mapId)
throws IOException
mapId - a map task idIOExceptionorg.apache.hadoop.fs.Path getInputFileForWrite(org.apache.hadoop.mapred.TaskID mapId,
long size,
org.apache.hadoop.conf.Configuration conf)
throws IOException
mapId - a map task idsize - the size of the fileIOExceptionvoid removeAll()
throws IOException
IOExceptionString getOutputName(int partition)
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