Explain the difference between a MapReduce InputSplit and HDFS block?
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Explain the Reducer's reduce phase?
Explain the features of Apache Spark because of which it is superior to Apache MapReduce?
What are the various configuration parameters required to run a mapreduce job?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
List out Hadoop's three configuration files?
Where is the output of Mapper written in Hadoop?
How do ‘map’ and ‘reduce’ work?
Why MapReduce uses the key-value pair to process the data?
what is WebDAV in Hadoop?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
What is OutputCommitter?
How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?
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