Can you explain bloommapfile.
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What are the functionalities of jobtracer?
When and how to create hadoop archive?
is there a standard procedure to deploy hadoop?
Specify what the information segments utilized by hadoop are?
What happens if the number of reducers is 0 in Hadoop?
How namenode handles data node failures?
What do you mean by the NameNode High Availability in hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
Explain how can you debug hadoop code?
What is the hadoop-core configuration?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
Explain what happens when hadoop spawned 50 tasks for a job and one of the task failed?
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