What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
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What is the difference between HDFS and NAS ?
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What is configuration of a typical slave node on Hadoop cluster? How many JVMs run on a slave node?
What is a block and block scanner in HDFS?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
How is the option in Hadoop to skip the bad records?
Command to format the NameNode?
What is the relation between job and task in hadoop?
What is the port number for NameNode
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What happens to a namenode, when job tracker is down?
How the HDFS Blocks are replicated?