what is difference between int and intwritable?
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Why password is needed in ssh localhost?
Does Hadoop requires RAID?
How do you define "block" in HDFS?
Where is the Mapper Output intermediate kay-value data stored ?
Mention what are the data components used by Hadoop?
Are Namenode and job tracker on the same host?
What is unstructured data?
What are combiners and its purpose?
What's the best way to copy files between HDFS clusters?
What is Distributed Cache?
What is Input Split in hadoop?
Whats is distributed cache in hadoop?
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