What is JPS? Why is it used in Hadoop?
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Ideally what should be replication factor in a Hadoop cluster?
What does name-node mean in hadoop?
How often DataNode send heartbeat to NameNode in Hadoop?
What is TextInputFormat in Hadoop?
Ideally what should be the replication factor in hadoop?
Is nosql follow relational db model?
Can hadoop handle streaming data?
What are the port numbers of job tracker?
What are the most common OutputFormat in Hadoop?
Which one is default?
Mention what daemons run on a master node and slave nodes?
What do you know about the speculative execution?
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