When the reducers are are started in a mapreduce job?
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What is partitioner and its usage?
What is InputFormat in Hadoop MapReduce?
Explain the input type/format in mapreduce by default?
In MapReduce, ideally how many mappers should be configured on a slave?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
What is Output Format in MapReduce?
when do reducers play their role in a mapreduce task?
what are the three modes in which Hadoop can be run?
What is SequenceFileInputFormat in Hadoop MapReduce?
What is the Reducer used for?
Can we set the number of reducers to zero in MapReduce?
Explain the Reducer's Sort phase?
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