What are the steps involved in MapReduce framework?
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What are the identity mapper and reducer in MapReduce?
What is LazyOutputFormat in MapReduce?
what are the three modes in which Hadoop can be run?
Explain slot in Hadoop Map-Reduce v1?
What is a scarce system resource?
Map reduce jobs take too long. What can be done to improve the performance of the cluster?
What is the sequence of execution of map, reduce, recordreader, split, combiner, partitioner?
What is the purpose of textinputformat?
How data is spilt in Hadoop?
Can MapReduce program be written in any language other than Java?
When the reducers are are started in a mapreduce job?
In mapreduce what is a scarce system resource? Explain?
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