How is reporting controlled in hadoop?
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What is the fundamental difference between a MapReduce InputSplit and HDFS block?
What MapReduce framework consists of?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
What is a combiner and where you should use it?
What is the data storage component used by Hadoop?
How many Mappers run for a MapReduce job in Hadoop?
what are the three modes in which Hadoop can be run?
How to change a number of mappers running on a slave in MapReduce?
What is KeyValueTextInputFormat in Hadoop MapReduce?
What is identity mapper and reducer? In which cases can we use them?
What is heartbeat in hdfs?
What is difference between a MapReduce InputSplit and HDFS block
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