What is the relation between MapReduce and Hive?
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What is a Speculative Execution in Hadoop MapReduce?
How can we assure that the values regarding a particular key goes to the same reducer?
Define Writable data types in Hadoop MapReduce?
What is a "reducer" in Hadoop?
How much space will the split occupy in Mapreduce?
what are the most common input formats defined in Hadoop?
What is the difference between HDFS block and input split?
Is YARN a replacement of Hadoop MapReduce?
Whether the output of mapper or output of partitioner written on local disk?
How to set the number of mappers for a MapReduce job?
What are the main configuration parameters in a MapReduce program?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
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