Mention what is data cleansing?
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What are the parameters of mappers and reducers?
What happen if a datanode loses network connection for a few minutes?
How to restart NameNode or all the daemons in Hadoop?
Explain about Hadoop file system and processing framework?
Can hadoop handle streaming data?
What are the primary phases of the reducer?
What do you understand by standalone (or local) mode?
Define a record reader?
What are the Hadoop features extended to its eco-system components ?
What is Balancer in Hadoop?
What is the hadoop-core configuration?
What are the port numbers of job tracker?
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