What alternate way does HDFS provides to recover data in case a Namenode
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Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
What are the basic available commands in Hadoop sqoop ?
Explain how do ‘map’ and ‘reduce’ works?
Explain the shuffle?
If a data Node is full how it's identified?
Explain how can we change the split size if our commodity hardware has less storage space?
Define streaming?
What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What platform and java version are required to run hadoop?
What happens to job tracker when namenode is down?
what are Task Tracker and Job Tracker?
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