Explain how mapreduce works.
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When is it not recommended to use MapReduce paradigm for large
If reducers do not start before all mappers finish then why does the progress on mapreduce job shows something like map(50%) reduce(10%)? Why reducers progress percentage is displayed when mapper is not finished yet?
How does Mappers run method works?
Define the purpose of the partition function in mapreduce framework
Define Writable data types in Hadoop MapReduce?
What is a "reducer" in Hadoop?
What is Hadoop Map Reduce ?
Is it possible to split 100 lines of input as a single split in MapReduce?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
Can we submit the mapreduce job from slave node?
What is a "map" in Hadoop?