What a task tracker is in hadoop?
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Ideally what should be the replication factor in hadoop?
Why is Data Block size set to 128 MB in Hadoop?
How would an hadoop administrator deploy various components of hadoop in production?
What is the difference between an inputsplit and a block?
What is Small File Problem in Hadoop? How can it be resolved?
Explain what is a sequence file in hadoop?
How is the splitting of file invoked in Hadoop framework?
What is the problem with small files in Hadoop?
Which directory does hadoop install to?
Explain the difference between an inputsplit and a block?
What are the important modes of hadoop?
Why does one remove or add nodes in a Hadoop cluster frequently?
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