What is optimal size of a file for distributed cache?
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What is the relationship between Job and Task in Hadoop?
What is a distributed cache in mapreduce framework?
What is InputFormat in Hadoop MapReduce?
Why is Apache Spark faster than Hadoop MapReduce?
What are the data components used by Hadoop?
What is partitioning in MapReduce?
Explain what is shuffling in mapreduce?
Explain task granularity
what is the Hadoop MapReduce APIs contract for a key and value class?
What is Data Locality in Hadoop?
What is identity mapper and reducer? In which cases can we use them?
What is a mapreduce algorithm?