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Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
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what is storage and compute nodes?
Why do we need MapReduce during Pig programming?
What is the role of recordreader in hadoop mapreduce?
What combiners are and when you should utilize a combiner in a map reduce job?
When is the reducers are started in a MapReduce job?
when do reducers play their role in a mapreduce task?
what is WebDAV in Hadoop?
What do you know about nlineinputformat?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
How do ‘map’ and ‘reduce’ work?
Mention what is the next step after mapper or maptask?
How to sort intermediate output based on values in MapReduce?
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