how JobTracker schedules a task ?
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What is an input reader in reference to mapreduce?
Explain the process of spilling in Hadoop MapReduce?
Why can aggregation not be done in Mapper in MapReduce?
Define MapReduce?
What is the difference between a MapReduce InputSplit and HDFS block?
what daemons run on a master node and slave nodes?
Is it possible to split 100 lines of input as a single split in MapReduce?
What are the various configuration parameters required to run a mapreduce job?
How to optimize Hadoop MapReduce Job?
Which Sorting algorithm is used in Hadoop MapReduce?
What is a combiner and where you should use it?
How to set mappers and reducers for Hadoop jobs?
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