How to change Replication Factor For below cases ?
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What is the port number for NameNode
when hadoop enter in safe mode?
Can we have multiple entries in the master files?
How to come out of the insert mode?
What are the problems with Hadoop 1.0?
Can you tell us more about ssh?
What are the port numbers of namenode, job tracker and task tracker?
Explain what if rack 2 and datanode fails?
What is your favourite tool in the hadoop ecosystem?
What are sink processors?
Name the examples of some companies that are using hadoop structure?
Can you give us some more details about ssh communication between masters and the slaves?