nerdexam
Cloudera

CCD-410 · Question #8

You need to create a job that does frequency analysis on input data. You will do this by writing a Mapper that uses TextInputFormat and splits each value (a line of text from an input file) into…

The correct answer is B. Disk I/O and network I/O. See the full explanation below for the reasoning.

Question

You need to create a job that does frequency analysis on input data. You will do this by writing a Mapper that uses TextInputFormat and splits each value (a line of text from an input file) into individual characters. For each one of these characters, you will emit the character as a key and an InputWritable as the value. As this will produce proportionally more intermediate data than input data, which two resources should you expect to be bottlenecks?

Options

  • AProcessor and network I/O
  • BDisk I/O and network I/O
  • CProcessor and RAM
  • DProcessor and disk I/O

How the community answered

(34 responses)
  • A
    9% (3)
  • B
    71% (24)
  • C
    18% (6)
  • D
    3% (1)

Community Discussion

No community discussion yet for this question.

Full CCD-410 Practice