What are the various configuration parameters required to run a mapreduce job?
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In Map Reduce why map write output to Local Disk instead of HDFS?
Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?
Mention Hadoop core components?
What platform and Java version is required to run Hadoop?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What does a 'MapReduce Partitioner' do?
How many Mappers run for a MapReduce job?
What is Output Format in MapReduce?
What do you know about nlineinputformat?
Explain the input type/format in mapreduce by default?
How many Mappers run for a MapReduce job in Hadoop?
How do you stop a running job gracefully?
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