You can change the replication factor of an existing directory using '-setrep'


The below command will recursively set the replication factor to 1 for all files within the given directory '/user'
hadoop fs -setrep -w 1 -R /user

On Wed, Sep 5, 2012 at 11:39 PM, Uddipan Mukherjee <Uddipan_Mukherjee@infosys.com> wrote:



   We have a requirement where we have change our Hadoop Cluster's Replication Factor without restarting the Cluster. We are running our Cluster on Amazon EMR.


Can you please suggest the way to achieve this? Any pointer to this will be very helpful.


Thanks And Regards

Uddipan Mukherjee

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