Can you explain indexing?
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Explain how jobtracker schedules a task?
What are the most common OutputFormat in Hadoop?
What are the restriction to the key and value class ?
How is the splitting of file invoked in Hadoop ?
What does hadoop-env.sh do?
List of some best tools that can be useful for data-analysis?
Whats the default port that jobtrackers listens ?
What is a Backup node in Hadoop?
Which database is used in hadoop?
Name the operating system(s) which are supported for production hadoop deployment?
Are job tracker and task trackers present in separate machines?
What do you think about the speculative execution?
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