What do you understand by unit and ()in scala?
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What is the procedure for namenode recovery?
Can you explain hadoop streaming?
List of some best tools that can be useful for data-analysis?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
Can you explain bloommapfile.
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What are the network requirements for hadoop?
What is a record reader?
what happens when namenode goes down during file read operation in hadoop?
What are the side effects of not running a secondary name node?
Explain InputSplit in Hadoop?
What does secondary name-node means?
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