What is the core of the job in MapReduce framework?
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Can you tell us how many daemon processes run on a hadoop system?
How many times combiner is called on a mapper node in Hadoop?
In Hadoop, which file controls reporting in Hadoop?
What is difference between a MapReduce InputSplit and HDFS block
How to write a custom partitioner for a Hadoop MapReduce job?
What is mapper in map reduce?
Explain the input type/format in mapreduce by default?
Explain JobConf in MapReduce.
What are combiners? When should I use a combiner in my MapReduce Job?
Why is output file name in Hadoop MapReduce part-r-00000?
What is the default input type in MapReduce?
what are the most common input formats defined in Hadoop?
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