It can be possible that a Job has 0 reducers?
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What is the difference between Hadoop and RDBMS?
what is the Hadoop MapReduce APIs contract for a key and value class?
What is the fundamental difference between a MapReduce InputSplit and HDFS block?
Does Partitioner run in its own JVM or shares with another process?
Why is output file name in Hadoop MapReduce part-r-00000?
What are the main components of MapReduce Job?
How to optimize MapReduce Job?
Mention when to use Map reduce mode?
What is the next step after Mapper or MapTask?
How to create custom key and custom value in MapReduce Job?
In MapReduce Data Flow, when Combiner is called?
What is the relationship between Job and Task in Hadoop?