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@InterfaceAudience.Public @InterfaceStability.Stable public interface InputSplit
InputSplit
represents the data to be processed by an
individual Mapper
.
Typically, it presents a byte-oriented view on the input and is the
responsibility of RecordReader
of the job to process this and present
a record-oriented view.
InputFormat
,
RecordReader
Method Summary | |
---|---|
long |
getLength()
Get the total number of bytes in the data of the InputSplit . |
String[] |
getLocations()
Get the list of hostnames where the input split is located. |
Methods inherited from interface org.apache.hadoop.io.Writable |
---|
readFields, write |
Method Detail |
---|
long getLength() throws IOException
InputSplit
.
IOException
String[] getLocations() throws IOException
InputSplit
is
located as an array of String
s.
IOException
|
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