Why is Apache Spark faster than Hadoop MapReduce?
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What is the key- value pair in MapReduce?
What is Mapper in Hadoop MapReduce?
Explain combiners.
How many Mappers run for a MapReduce job in Hadoop?
Is it possible to split 100 lines of input as a single split in MapReduce?
Why Hadoop MapReduce?
mapper or reducer?
What is optimal size of a file for distributed cache?
What are the benefits of Spark over MapReduce?
Explain what you understand by speculative execution
Explain the Reducer's Sort phase?
Is YARN a replacement of Hadoop MapReduce?
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