Category: Hadoop HDFS

On a tasktracker, the map task passes the split to the createRecordReader() method on InputFormat to obtain a _________ for that split.

administrator
On a tasktracker, the map task passes the split to the createRecordReader() method on InputFormat to obtain a _________ for that split.
RecordReader
Excellent ! Your Answer is Correct. The RecordReader loads data from its source and converts into key-value pairs suitable for reading by mapper.
InputReader
OutputReader
None of the Option is Correct

InputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.

administrator
InputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.
getSplits
Excellent ! Your Answer is Correct. InputFormat uses their storage locations to schedule map tasks to process them on the tasktrackers.
gets
puts
None of the Option is Correct
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