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• April 19, 2012 Remove a datanode from hadoop cluster

• April 18, 2012 General Advice on troubleshooting issues in hadoop cluster

• April 18, 2012

• April 18, 2012 Error: Output directory already exists

• April 18, 2012 Error: Input path does not exist

• April 18, 2012 Error:Incompatible namespaceIDs and DN does not start

• April 18, 2012 Error: When you run a command “hadoop dfs -put”

• April 18, 2012 Error: Remote host identification has changed when you try to ssh to localhost

• April 18, 2012 Error: NoRouteToHostException

• April 18, 2012 Error: you cluster is in “safe mode”

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