what is WebDAV in Hadoop?
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what is "map" and what is "reducer" in Hadoop?
In Hadoop, which file controls reporting in Hadoop?
What do you mean by inputformat?
What is the problem with the small file in Hadoop?
Illustrate a simple example of the working of MapReduce.
What are the data components used by Hadoop?
What is a IdentityMapper and IdentityReducer in MapReduce ?
mapper or reducer?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
What is identity mapper and chain mapper?
What is OutputCommitter?
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