What is Text Input Format?
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Explain the input type/format in mapreduce by default?
How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?
How many Mappers run for a MapReduce job?
Can we rename the output file?
What is an identity mapper and identity reducer?
What is the difference between Hadoop and RDBMS?
Explain the Reducer's Sort phase?
What is LazyOutputFormat in MapReduce?
What is the relationship between Job and Task in Hadoop?
What are the configuration parameters in the 'MapReduce' program?
what is WebDAV in Hadoop?
What is the difference between an RDBMS and Hadoop?
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