What is a "map" in Hadoop?
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what are the main configuration parameters that user need to specify to run Mapreduce Job ?
How does Hadoop Classpath plays a vital role in stopping or starting in Hadoop daemons?
What is the InputSplit in map reduce ?
how to proceed to write your first mapreducer program?
Explain the difference between a MapReduce InputSplit and HDFS block?
Why can aggregation not be done in Mapper in MapReduce?
What is the role of a MapReduce partitioner?
What is the relationship between Job and Task in Hadoop?
what is WebDAV in Hadoop?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
What is heartbeat in hdfs?
Mention what is the next step after mapper or maptask?
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