What is Safemode in Apache Hadoop?
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What is difference between split and block in hadoop?
What is the purpose of dfsadmin tool?
How many JVMs run on a slave node?
Explain use cases where SequenceFile class can be a good fit?
How blocks are distributed among all data nodes for a particular chunk of data?
Define a job tracker?
Explain the shuffle?
How can I install Cloudera VM in my system?
What does job conf class do?
Mention what is the number of default partitioner in Hadoop?
What happens to job tracker when namenode is down?
What is the functionality of jobtracker in hadoop? How many instances of a jobtracker run on hadoop cluster?
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