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What is the difference between an RDBMS and Hadoop?
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More MapReduce Interview Questions
Explain what is “map” and what is "reducer" in hadoop?
Compare Pig vs Hive vs Hadoop MapReduce?
In Hadoop, which file controls reporting in Hadoop?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
Whether the output of mapper or output of partitioner written on local disk?
What do you mean by inputformat?
What is a combiner and where you should use it?
What are the various input and output types supported by mapreduce?
how can you debug Hadoop code?
What is partitioning in MapReduce?
How many numbers of reducers run in Map-Reduce Job?
What is partitioner and its usage?
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