Explain what is the function of mapreduce partitioner?
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What combiners is and when you should use a combiner in a MapReduce Job?
What comes in Hadoop 2.0 and MapReduce V2 YARN
How to set the number of reducers?
What is Text Input Format?
When is the reducers are started in a MapReduce job?
How to create a custom key and custom value in MapReduce Job?
What is a TaskInstance?
What are the main configuration parameters in a MapReduce program?
What is Counter in MapReduce?
What is sqoop in Hadoop ?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What does a split do?
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