what daemons run on a master node and slave nodes?
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What is partitioner and its usage?
Can MapReduce program be written in any language other than Java?
What is a MapReduce Combiner?
What is Text Input Format?
What are the key differences between Pig vs MapReduce?
When Namenode is down what happens to job tracker?
What is the function of mapreduce partitioner?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Why can aggregation not be done in Mapper in MapReduce?
What is mapper in map reduce?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
Why MapReduce uses the key-value pair to process the data?