How hadoop mapreduce works?
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what are the main configuration parameters that user need to specify to run Mapreduce Job ?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
What are the disservices of utilizing Apache Spark over Hadoop MapReduce?
Mention what is the next step after mapper or maptask?
What happens when the node running the map task fails before the map output has been sent to the reducer?
How to set mappers and reducers for MapReduce jobs?
What is partitioning in MapReduce?
what is distributed cache in mapreduce framework?
What is heartbeat in hdfs? Explain.
How many Reducers run for a MapReduce job in Hadoop?
What is streaming?
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