What is pseudo-distributed mode?
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What does hadoop-env.sh do?
What is the default replication factor in Hadoop and how will you change it?
What are the side effects of not running a secondary name node?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
How to specify more than one path for storage in Hadoop?
Is Namenode machine same as DataNode machine as in terms of hardware?
What jobtracker is in hadoop? What are the activities followed by hadoop?
Why can we not create directory /user/dataflair/inpdata001 when name node is in safe mode?
Can you define udf?
How job tracker schedules an assignment?
What are the hadoop configuration files at present?
What are the core components of Hadoop?
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