Can there be no Reducer?
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What is Text Input Format?
What is mapper in map reduce?
What is the difference between an RDBMS and Hadoop?
How to set mappers and reducers for MapReduce jobs?
What is a TaskInstance?
What do you mean by inputformat?
How to change a number of mappers running on a slave in MapReduce?
what job does the conf class do?
Mention what is the next step after mapper or maptask?
How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?
what does the text input format do?
It can be possible that a Job has 0 reducers?
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