How do reducers communicate with each other?
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What is map/reduce job in hadoop?
What is identity mapper and reducer? In which cases can we use them?
What is RecordReader in a Map Reduce?
A number of combiners can be changed or not in MapReduce?
How do Hadoop MapReduce works?
what are the most common input formats defined in Hadoop?
How data is spilt in Hadoop?
Can we submit the mapreduce job from slave node?
What is the difference between Job and Task in MapReduce?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What is MapReduce?
How to set mappers and reducers for Hadoop jobs?