Package | Description |
---|---|
org.apache.hadoop.mapred | |
org.apache.hadoop.mapred.join | |
org.apache.hadoop.mapred.lib | |
org.apache.hadoop.mapred.lib.db |
Modifier and Type | Interface and Description |
---|---|
interface |
InputSplitWithLocationInfo |
Modifier and Type | Class and Description |
---|---|
class |
FileSplit
A section of an input file.
|
class |
MultiFileSplit
A sub-collection of input files.
|
Modifier and Type | Method and Description |
---|---|
InputSplit |
Reporter.getInputSplit()
Get the
InputSplit object for a map. |
InputSplit[] |
MultiFileInputFormat.getSplits(JobConf job,
int numSplits) |
InputSplit[] |
InputFormat.getSplits(JobConf job,
int numSplits)
Logically split the set of input files for the job.
|
InputSplit[] |
FileInputFormat.getSplits(JobConf job,
int numSplits)
Splits files returned by
FileInputFormat.listStatus(JobConf) when
they're too big. |
Modifier and Type | Method and Description |
---|---|
RecordReader<Text,Text> |
SequenceFileAsTextInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<LongWritable,BytesWritable> |
FixedLengthInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
abstract RecordReader<K,V> |
MultiFileInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<LongWritable,Text> |
TextInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
RecordReader<K,V> |
SequenceFileInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<BytesWritable,BytesWritable> |
SequenceFileAsBinaryInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<K,V> |
InputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
Get the
RecordReader for the given InputSplit . |
RecordReader<Text,Text> |
KeyValueTextInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
abstract RecordReader<K,V> |
FileInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
RecordReader<K,V> |
SequenceFileInputFilter.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
Create a record reader for the given split
|
Modifier and Type | Class and Description |
---|---|
class |
CompositeInputSplit
This InputSplit contains a set of child InputSplits.
|
Modifier and Type | Method and Description |
---|---|
InputSplit |
CompositeInputSplit.get(int i)
Get ith child InputSplit.
|
InputSplit[] |
CompositeInputFormat.getSplits(JobConf job,
int numSplits)
Build a CompositeInputSplit from the child InputFormats by assigning the
ith split from each child to the ith composite split.
|
Modifier and Type | Method and Description |
---|---|
void |
CompositeInputSplit.add(InputSplit s)
Add an InputSplit to this collection.
|
ComposableRecordReader<K,V> |
ComposableInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter) |
ComposableRecordReader<K,TupleWritable> |
CompositeInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
Construct a CompositeRecordReader for the children of this InputFormat
as defined in the init expression.
|
Modifier and Type | Class and Description |
---|---|
class |
CombineFileSplit |
Modifier and Type | Method and Description |
---|---|
InputSplit[] |
NLineInputFormat.getSplits(JobConf job,
int numSplits)
Logically splits the set of input files for the job, splits N lines
of the input as one split.
|
InputSplit[] |
CombineFileInputFormat.getSplits(JobConf job,
int numSplits) |
Modifier and Type | Method and Description |
---|---|
RecordReader<LongWritable,Text> |
CombineTextInputFormat.getRecordReader(InputSplit split,
JobConf conf,
Reporter reporter) |
RecordReader<K,V> |
CombineSequenceFileInputFormat.getRecordReader(InputSplit split,
JobConf conf,
Reporter reporter) |
RecordReader<LongWritable,Text> |
NLineInputFormat.getRecordReader(InputSplit genericSplit,
JobConf job,
Reporter reporter) |
abstract RecordReader<K,V> |
CombineFileInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
This is not implemented yet.
|
Modifier and Type | Method and Description |
---|---|
InputSplit[] |
DBInputFormat.getSplits(JobConf job,
int chunks)
Logically split the set of input files for the job.
|
Modifier and Type | Method and Description |
---|---|
RecordReader<LongWritable,T> |
DBInputFormat.getRecordReader(InputSplit split,
JobConf job,
Reporter reporter)
Get the
RecordReader for the given InputSplit . |
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