Name the files which are used by the startup and shutdown commands?
Can you explain bloommapfile.
What is difference between reducer and combiner?
We have already sql then why nosql?
Mention what are the three modes in which hadoop can be run?
What is active and passive NameNode in Hadoop?
What does hadoop-metrics.properties file do?
Which object can be used to get the progress of a particular job
Can I set the number of reducers to zero?
What are the limitations of Hadoop?
How jobtracker assign tasks to the tasktracker?
What is the difference between TextInputFormat and KeyValueInputFormat class?
What are the core components of Hadoop?
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