CSE MCQs :: Hadoop MCQs
- InputFormat class calls the ________ function and computes splits for each file and then sends them to the jobtracker.
- On a tasktracker, the map task passes the split to the createRecordReader() method on InputFormat to obtain a _________ for that split.
- _________ is a pluggable Map/Reduce scheduler for Hadoop which provides a way to share large clusters.
- Which of the following parameter describes destination directory which would contain the archive ?
- _________ identifies filesystem pathnames which work as usual with regular expressions.
- Which of the following scenario may not be a good fit for HDFS ?
- The need for data replication can arise in various scenarios like :
- ________ is the slave/worker node and holds the user data in the form of Data Blocks.
- Interface ____________ reduces a set of intermediate values which share a key to a smaller set of values.
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A.
HDFS is not suitable for scenarios requiring multiple/simultaneous writes to the same file
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B.
HDFS is suitable for storing data related to applications requiring low latency data access
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C.
HDFS is suitable for storing data related to applications requiring low latency data access
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D.
None of the mentioned
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