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Explain how does hadoop classpath plays a vital role in stopping or starting in hadoop daemons?
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Explain edge nodes in hadoop?
Is it possible to rename the output file, and if so, how?
Why cloudera is used?
What kind of hardware is best for hadoop?
What are the tools used in big data?
What is the difference between namenode and datanode in hadoop?
After the Map phase finishes, the Hadoop framework does 'Partitioning, Shuffle and sort'. Explain what happens in this phase?
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Why do the nodes are removed and added frequently in a hadoop cluster?
We have already sql then why nosql?
What is purpose of RecordWriter in Hadoop?
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