What is the default block size in hdfs?
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Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
Command to format the NameNode?
What is the port number for NameNode
Explain the shuffle?
Which files are used by the startup and shutdown commands?
Why password is needed in ssh localhost?
Main Components of Hadoop?
What is the purpose of dfsadmin tool?
What does ‘jps’ command do?
What are the important differences between apache and hadoop?
How does a namenode handle the failure of the data nodes?
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