What is difference between regular file system and HDFS?
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What is a JobTracker in Hadoop? How many instances of JobTracker run on a Hadoop Cluster?
What is yarn in hadoop?
Is hadoop based on google mapreduce?
What is commodity hardware?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
How to resolve IOException: Cannot create directory
What is Distributed Cache?
Which data storage components are used by hadoop?
Can you tell us more about ssh?
How is the option in Hadoop to skip the bad records?
How we can take Hadoop out of Safe Mode?
What is the InputFormat ?
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