InterviewSolution
Saved Bookmarks
| 1. |
Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix ______ utility.(a) Copy(b) Cut(c) Paste(d) Move |
|
Answer» Correct option is (b) Cut The best I can explain: The map function defined in the class treats each input key/value pair as a list of fields. |
|