Is secondary namenode a substitute to the namenode?
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What is the function of NodeManager?
What is the InputFormat ?
If a data Node is full how it's identified?
What is formatting of the dfs?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
Explain how can we change the split size if our commodity hardware has less storage space?
Explain how is hadoop different from other data processing tools?
What are the modules that constitute the Apache Hadoop 2.0 framework?
Whats is distributed cache in hadoop?
Why do we need a password-less ssh in fully distributed environment?
Can Hadoop be compared to NOSQL database like Cassandra?
Which are the three main hdfs-site.xml properties?
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