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How is the option in Hadoop to skip the bad records?
What are combiners and its purpose?
Is hadoop based on google mapreduce?
If a data Node is full how it's identified?
What are the problems with Hadoop 1.0?
Mention what are the data components used by Hadoop?
What is the difference between Apache Hadoop and RDBMS?
What are the different types of Znodes?
Explain how is hadoop different from other data processing tools?
Define a datanode?
Did you ever built a production process in hadoop ? If yes then what was the process when your hadoop job fails due to any reason?
How many maximum jvm can run on a slave node?
What is the default replication factor?
What happens to a NameNode that has no data?
What is the difference between Hadoop and Traditional RDBMS?