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How to set mappers and reducers for MapReduce jobs?
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What is the difference between RDBMS with Hadoop MapReduce?
What is the core of the job in MapReduce framework?
What is difference between a MapReduce InputSplit and HDFS block
When is it suggested to use a combiner in a MapReduce job?
Mention what is the hadoop mapreduce apis contract for a key and value class?
Different ways of debugging a job in MapReduce?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
What is a mapreduce algorithm?
Explain the differences between a combiner and reducer
How does inputsplit in mapreduce determines the record boundaries correctly?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
Is it mandatory to set input and output type/format in MapReduce?
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