Câu 5: CCD-410: Cloudera Certified Developer for Apache Hadoop (CCDH)
You want to populate an associative array in order to perform a map-side join. You've decided to put this information in a text file, place that file into theDistributedCache 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 t…
Nội dung câu hỏi
You want to populate an associative array in order to perform a map-side join. You've decided to put this information in a text file, place that file into theDistributedCache 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?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. combine
- B. map
- C. init
- D. configure — đáp án hiện tại
Cộng đồng
0 bình luận công khai. Tên thành viên được ẩn một phần.