Explanation:In scenarios where the application takes a significant amount of time to process individual key/value pairs, this is crucial since the framework might assume that the task has timed-out and kill that task. 10. Which of the following parameter is to collect keys and combined values ?
A. key
B. values
C. reporter
D. output
Answer:A
Explanation:In scenarios where the application takes a significant amount of time to process individual key/value pairs, this is crucial since the framework might assume that the task has timed-out and kill that task. 10. Which of the following parameter is to collect keys and combined values ?
A. key B. values C. reporter D. output
Explanation:reporter parameter is for facility to report progress. Sanfoundry Global Education & Learning Series – Hadoop.