Which files are used by the startup and shutdown commands?
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Who invented hadoop?
What is the difference between Gen1 and Gen2 Hadoop with regards to the Namenode?
What are the network requirements for using hadoop?
In which location Name Node stores its Metadata and why?
shouldn't DFS be able to handle large volumes of data already?
How does an hadoop application look like or their basic components?
Why is Apache Spark faster than Apache Hadoop?
What is difference between split and block in hadoop?
What is IdentityMapper?
Explain Erasure Coding in Apache Hadoop?
What are the functions of NameNode?
What is HDFS block size and what did you chose in your project?
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