Explain why do we need hadoop?
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What is the difference between HDFS and NAS ?
What is hadoop framework?
In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
Rack awareness of Namenode?
what factors the block size takes before creation?
What are the steps to submit a Hadoop job?
What are the four characteristics of Big Data?
How did you debug your Hadoop code ?
What are different types of filesystem?
What hadoop does in safe mode?
What is the default block size in hdfs?
What is the difference between a Hadoop and Relational Database and Nosql?
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