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Hadoop >> mail # user >> Re: Replication Factor Modification

Bejoy Ks 2012-09-05, 18:38
Harsh J 2012-09-05, 18:17
Uma Maheswara Rao G 2012-09-05, 18:16
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Re: Replication Factor Modification

You can change the replication factor of an existing directory using


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 <

>  Hi, ****
>  ****
>    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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