CSE MCQs :: Hadoop MCQs
- The output of the _______ is not sorted in the Mapreduce framework for Hadoop.
- Which of the following phases occur simultaneously ?
- HDFS and NoSQL file systems focus almost exclusively on adding nodes to :
- Which is the most popular NoSQL database for scalable big data store with Hadoop ?
- The ________ option allows you to copy jars locally to the current working directory of tasks and automatically unjar the files.
- ______________ class allows the Map/Reduce framework to partition the map outputs based on certain key fields, not the whole keys.
- __________ is a variant of SequenceFileInputFormat that converts the sequence file's keys and values to Text objects
- __________ class allows you to specify the InputFormat and Mapper to use on a per-path basis.
- An ___________ is responsible for creating the input splits, and dividing them into records.
- ______________ is another implementation of the MapRunnable interface that runs mappers concurrently in a configurable number of threads.