What is Reduce only jobs?
Answer / bindu
It takes the output of map task as input and then do reduce work.
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What is difference between an input split and hdfs block?
Clarify what is shuffling in map reduce?
What is the job of blend () and repartition () in Map Reduce?
How many Mappers run for a MapReduce job in Hadoop?
mapper or reducer?
What do you mean by shuffling and sorting in MapReduce?
when do reducers play their role in a mapreduce task?
Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?
What are the main configuration parameters in a MapReduce program?
What is a "reducer" in Hadoop?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
What are the various InputFormats in Hadoop?
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