Why slaves limited to 4000 in hadoop version 1?
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what if job tracker machine is down?
Mention what are the most common input formats defined in hadoop?
Explain the common input formats in hadoop?
What are the network requirements for hadoop?
What does jps command do in Hadoop?
Clarify what jobtracker is in hadoop? What are the activities followed by hadoop?
How can one write custom record reader?
Does hadoop follows the unix pattern?
Mention how many inputsplits is made by a hadoop framework?
What is TaskTracker?
How would you restart NameNode?
Explain how is data partitioned before it is sent to the reducer if no custom partitioner is defined in hadoop?
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