What kind of hardware is best for hadoop?
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What is job tracker in Hadoop?
What do you understand by standalone (or local) mode?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
What is a Heartbeat in Hadoop?
Which operating system(s) are supported for production hadoop deployment?
What is rack awareness in hadoop?
For using hadoop list the network requirements?
In which location name node sores its metadata and why?
What is Reducer in Hadoop?
How can one check whether NameNode is working or not?
Whats the default port that jobtrackers listens ?
Explain about Hadoop file system and processing framework?
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