What is LazyOutputFormat in MapReduce?
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Why Mapper runs in heavy weight process and not in a thread in MapReduce?
Explain about the partitioning, shuffle and sort phase
What are the various InputFormats in Hadoop?
What is the role of recordreader in hadoop mapreduce?
Can we submit the mapreduce job from slave node?
What is Reduce only jobs?
what is the Hadoop MapReduce APIs contract for a key and value class?
Where sorting is done in Hadoop MapReduce Job?
What is the job of blend () and repartition () in Map Reduce?
What is the need of MapReduce?
In Map Reduce why map write output to Local Disk instead of HDFS?
How to set mappers and reducers for Hadoop jobs?
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