What is winutils hadoop?
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What are the side effects of not running a secondary name node?
After increasing the replication level, I still see that data is under replicated. What could be wrong?
Explain the common input formats in hadoop?
What is the use of context object?
How Hadoop’s CLASSPATH plays a vital role in starting or stopping in Hadoop daemons?
What does hadoop-env.sh do?
How many job tracker processes can run on a single Hadoop cluster?
What are the major differences between Hadoop 2 and Hadoop 3?
Can we deploy job tracker other than name node?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
What do you understand by unit and ()in scala?
What is structured and unstructured data?
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