How data is spilt in Hadoop?
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What are the four essential parameters of a mapper?
How many numbers of reducers run in Map-Reduce Job?
How to specify more than one directory as input in the Hadoop MapReduce Program?
Explain what is distributed cache in mapreduce framework?
How to create custom key and custom value in MapReduce Job?
What is Combiner in MapReduce?
Mention what is the next step after mapper or maptask?
what are the most common input formats defined in Hadoop?
What is the key- value pair in MapReduce?
What counter in Hadoop MapReduce?
What are the various InputFormats in Hadoop?
what does the conf.setMapper Class do ?
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