The output of the _______ is not sorted in the Mapreduce framework for Hadoop. Options: A . &nbspMapper B . &nbspCascader C . &nbspScalding D . &nbspNone of the mentioned

The output of the _______ is not sorted in the Mapreduce framework for Hadoop.

Question

The output of the _______ is not sorted in the Mapreduce framework for Hadoop.

Options:

A . Mapper

B . Cascader

C . Scalding

D . None of the mentioned

Answer: Option D

The output of the reduce task is typically written to the FileSystem. The output of the Reducer is not sorted.

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Question 1. The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar t....current working directory of tasks and automatically unjar the files.

Question 2. Which of the following phases occur simultaneously ? ....

Question 3. ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the ....outputs based on certain key fields, not the whole keys.

Question 4. Although the Hadoop framework is implemented in Java , MapReduce applications need not be written in : ....

Question 5. ________ is a utility which allows users to create and run jobs with any executables as the mapper and/or the reducer. ....jobs with any executables as the mapper and/or the reducer.

Question 6. __________ are highly resilient and eliminate the single-point-of-failure risk with traditional Hadoop deployments ....

Question 7. Which is the most popular NoSQL database for scalable big data store with Hadoop? ....

Question 8. HDFS and NoSQL file systems focus almost exclusively on adding nodes to : ....

Question 9. The right number of reduces seems to be : ....

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