Explanation:The RecordReader loads data from its source and converts into key-value pairs suitable for reading by mapper. 8. The default InputFormat is __________ which treats each value of input a new value and the associated key is byte offset.
A. TextFormat
B. TextInputFormat
C. InputFormat
D. All of the mentioned
Answer:A
Explanation:The RecordReader loads data from its source and converts into key-value pairs suitable for reading by mapper. 8. The default InputFormat is __________ which treats each value of input a new value and the associated key is byte offset.
A. TextFormat B. TextInputFormat C. InputFormat D. All of the mentioned
Explanation:A RecordReader is little more than an iterator over records, and the map task uses one to generate record key-value pairs. 9. __________ controls the partitioning of the keys of the intermediate map-outputs.