What are the problems with Hadoop 1.0?
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How do you categorize a big data?
what is a datanode?
What happens to job tracker when namenode is down?
Which is the best hadoop certification?
What are the site-specific configuration files in Hadoop?
How did you debug your Hadoop code ?
What is the default block size in hdfs?
How to change Replication Factor For below cases ?
On what basis data will be stored on a rack?
what should be the ideal replication factor in hadoop?
What is keyvaluetextinputformat?
Knox and Hadoop Development Tools?
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