How can we assure that the values regarding a particular key goes to the same reducer?
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Is reduce-only job possible in Hadoop MapReduce?
Explain combiners.
Is YARN a replacement of Hadoop MapReduce?
What is the difference between HDFS block and input split?
What are the advantages of using mapreduce with hadoop?
What is Data Locality in Hadoop?
how Hadoop is different from other data processing tools?
How to set mappers and reducers for MapReduce jobs?
What are the various InputFormats in Hadoop?
In mapreduce what is a scarce system resource? Explain?
When is the reducers are started in a MapReduce job?
What is map/reduce job in hadoop?
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