What do you know by storage and compute node?
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Should we use RAID in Hadoop or not?
Which one is default InputFormat in Hadoop ?
Explain the features of pseudo mode?
Does hadoop always require digital data to process?
What are the stable versions of Hadoop?
What is the function of NodeManager?
What is the sequencefileinputformat in hadoop?
What are the Basics of Hadoop?
What is the jobtracker and what it performs in a hadoop cluster?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
What problems can be addressed by using Zookeeper?
What happens to job tracker when namenode is down?
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