What problems can be addressed by using Zookeeper?
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Is map like a pointer?
What is cloudera and why it is used?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Knox and Hadoop Development Tools?
What is a spill factor with respect to the ram?
How can we look for the namenode in the browser?
what is SPF?
What is MapFile?
What is Safemode in Apache Hadoop?
What is unstructured data?
Can you explain how do ‘map’ and ‘reduce’ work?
What is NoSQL?
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