What do you understand by mapreduce?
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What are the various configuration parameters required to run a mapreduce job?
what does the text input format do?
What do you understand by mapreduce?
Explain how mapreduce works.
Why is Apache Spark faster than Hadoop MapReduce?
what is storage and compute nodes?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
Explain slot in Hadoop Map-Reduce v1?
how Hadoop is different from other data processing tools?
What is an input reader in reference to mapreduce?
how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?
Is reduce-only job possible in Hadoop MapReduce?
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