In which location Name Node stores its Metadata and why?
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How a task is scheduled by a jobtracker?
What is a 'block' in HDFS?
Is a job split into maps?
What is inputsplit in hadoop? Explain.
Why do we use HDFS for applications having large data sets and not when there are lot of small files?
Define a daemon?
What is DistributedCache and its purpose?
On What concept the Hadoop framework works?
What is the purpose of button groups?
How the HDFS Blocks are replicated?
What is commodity hardware?
What is a Secondary Namenode? Is it a substitute to the Namenode?
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