What is OutputCommitter?
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What is Reduce only jobs?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
Why is output file name in Hadoop MapReduce part-r-00000?
How to get the single file as the output from MapReduce Job?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
Explain how mapreduce works.
List the configuration parameters that have to be specified when running a MapReduce job.
What is heartbeat in hdfs? Explain.
Explain the input type/format in mapreduce by default?
What do sorting and shuffling do?
Is YARN a replacement of Hadoop MapReduce?
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