Are job tracker and task trackers present in separate machines?
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Name the operating system(s) which are supported for production hadoop deployment?
What are the most common OutputFormat in Hadoop?
What is the command to change the replication factor ?
What does hadoop-metrics.properties file do?
Can we change the file cached by distributed cache
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
What happens if you get a ‘connection refused java exception’ when you type hadoop fsck /?
What is the purpose of context object?
Can you define inputsplit in hadoop?
What is the basic difference between traditional RDBMS and Hadoop?
What is Reducer in Hadoop?
What is JobTracker?
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