What is a commodity hardware? Does commodity hardware include RAM?
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What are the functionalities of jobtracer?
What is Mapper? How can we compress Mapper output in Hadoop?
What is single node cluster in Hadoop? for what all purposes Hadoop run on a single node cluster?
Is Namenode machine same as DataNode machine as in terms of hardware?
What do you understand by a closure in scala?
Why is checkpointing important in hadoop?
Why is Data Block size set to 128 MB in Hadoop?
Which language is more suitable for text analytics? R or python?
How Big is ‘Big Data’?
Why do we need Hadoop Archives? How is it created?
What is configured in /etc/hosts and what is its role in setting Hadoop cluster?
What is 'jps'?
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