What is the difference between Hadoop and RDBMS?
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What is heartbeat in hdfs?
Explain what does the conf.setmapper class do?
Write a short note on the disadvantages of mapreduce
What is Hadoop Map Reduce ?
What is the difference between Hadoop and RDBMS?
what is NameNode in Hadoop?
What is the data storage component used by Hadoop?
What do you mean by shuffling and sorting in MapReduce?
How to write a custom partitioner for a Hadoop MapReduce job?
What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What is the difference between RDBMS with Hadoop MapReduce?
Is there any point of learning mapreduce, then?