Can you give a detailed overview about the Big Data being generated by Facebook?
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Can you explain bloommapfile.
How jobtracker assign tasks to the tasktracker?
What is the job tracker role in hadoop?
What is the purpose of context object?
Mention what are the most common input formats defined in hadoop?
Ideally what should be replication factor in a Hadoop cluster?
What do you know about yarn?
How often do you need to reformat the namenode?
How can one check whether NameNode is working or not?
What are some typical functions of Job Tracker?
What is structured and unstructured data?
What does hadoop-env.sh do?
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