What does jps command do in Hadoop?
Answer / Sumit Kumar
The jps command (Java Process Status) is used to list all Java processes that are running on the local machine as part of a Hadoop cluster.
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What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
How can one check whether NameNode is working or not?
Which database is used in hadoop?
What is pseudo-distributed mode?
How can one write custom record reader?
Is nosql follow relational db model?
Can you explain bloommapfile.
Is it possible to provide multiple input to Hadoop? If yes then how?
Mention what is the data storage component used by hadoop?
Ideally what should be replication factor in a Hadoop cluster?
Why do the nodes are removed and added frequently in a hadoop cluster?
Can you explain textinformat?
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