What main configuration parameters are specified in mapreduce?
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Mention what is the next step after mapper or maptask?
what job does the conf class do?
What is heartbeat in hdfs? Explain.
What is a MapReduce Combiner?
what is Speculative Execution?
What is the difference between HDFS block and input split?
Can we submit the mapreduce job from slave node?
Is it possible to split 100 lines of input as a single split in MapReduce?
What is a Speculative Execution in Hadoop MapReduce?
How can we assure that the values regarding a particular key goes to the same reducer?
Is YARN a replacement of Hadoop MapReduce?
Explain the process of spilling in Hadoop MapReduce?
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