You want to populate an associative array in order to perform a map-side join. You ?v decided to put this information in a text file, place that file into the Distributed Cache and read it in your Mapper before any records are processed. Indentify which method in the Mapper you should use to implement code for reading the file and populating the associative array?
A. combine
B. map
C. init
D. configure
Answer:D
You want to populate an associative array in order to perform a map-side join. You ?v decided to put this information in a text file, place that file into the Distributed Cache and read it in your Mapper before any records are processed. Indentify which method in the Mapper you should use to implement code for reading the file and populating the associative array?
A. combine B. map C. init D. configure