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Mention what is the next step after mapper or maptask?
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How to change the name of the output file from part-r-00000 in Hadoop MapReduce?
how indexing in HDFS is done?
In Hadoop, which file controls reporting in Hadoop?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
In Hadoop what is InputSplit?
What is the Hadoop MapReduce API contract for a key and value Class?
What is MapReduce? What are the syntax you use to run a MapReduce program?
Can you tell us how many daemon processes run on a hadoop system?
Is it mandatory to set input and output type/format in MapReduce?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What are the key differences between Pig vs MapReduce?
What is identity mapper and chain mapper?
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