explain Metadata in Namenode?
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What is Input Split in hadoop?
Explain the basic architecture of Hadoop?
Explain the benefits of block transfer?
Virtual Box & Ubuntu Installation?
How did you debug your Hadoop code ?
What is a “Distributed Cache” in Apache Hadoop?
Which files are used by the startup and shutdown commands?
What is the problem with small files in Apache Hadoop?
What is structured data?
Does this lead to security issues?
What are the port numbers of namenode, job tracker and task tracker?
What is the difference between hadoop and other data processing tools?
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