How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
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What are the various InputFormats in Hadoop?
What is mapper in map reduce?
What is a RecordReader in Hadoop MapReduce?
What is the need of MapReduce?
Explain the input type/format in mapreduce by default?
Explain job scheduling through JobTracker
Compare Pig vs Hive vs Hadoop MapReduce?
What is difference between a MapReduce InputSplit and HDFS block
What platform and Java version is required to run Hadoop?
Explain about the basic parameters of mapper and reducer function
How to get the single file as the output from MapReduce Job?
What is the InputSplit in map reduce ?
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