How does MapReduce framework view its input internally?
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What are the various input and output types supported by mapreduce?
what is WebDAV in Hadoop?
What is Counter in MapReduce?
What happens when a datanode fails ?
Can there be no Reducer?
Can MapReduce program be written in any language other than Java?
What is a RecordReader in Hadoop MapReduce?
In mapreduce what is a scarce system resource? Explain?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
What is the core of the job in MapReduce framework?
What happen if the number of the reducer is 0 in MapReduce?
What is the inputsplit in map reduce software?
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