What is a combiner in hadoop?
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What is rack awareness in hadoop?
Clarify how job tracker schedules an assignment?
Can we create a hadoop cluster from scratch?
What is the non dfs used?
How to do ‘map’ and ‘reduce’ works?
What do you understand by unit and ()in scala?
What is the block size in Hadoop?
What are the most common InputFormats in Hadoop?
What the information segments utilized by hadoop are?
What is Mapper? How can we compress Mapper output in Hadoop?
Explain what is a sequence file in hadoop?
How ordering in hdfs is finished?
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