Explain what is a task tracker in hadoop?
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How many InputSplits will be made by hadoop framework?
How would an hadoop administrator deploy various components of hadoop in production?
Give me the examples of Columnar database ?
Why do we need hadoop for big data analytics?
Explain some important features of hadoop?
Explain what is a sequence file in hadoop?
Can hadoop handle streaming data?
What are the important modes of hadoop?
How to debug Hadoop code?
What does the file hadoop-metrics.properties do?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
What are the major differences between Hadoop 2 and Hadoop 3?
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