Hi, Thanks for the help. But How I will set the replication factor as desired so that when new files comes in it will automatically take the new value of dfs.replication without a cluster restart. Please note we have a 200 nodes cluster.
Thanks and Regards, Uddipan Mukherjee From: Harsh J [mailto:[email protected]] Sent: Wednesday, September 05, 2012 7:17 PM To: [email protected] Subject: Re: Replication Factor Modification Replication factor is per-file, and is a client-side property. So, this is doable. 1. Change the replication factor of all existing files (or needed ones): $ hadoop fs -setrep -R <value> / 2. Change the dfs.replication parameter in all client configs to the desired <value> On Wed, Sep 5, 2012 at 11:39 PM, Uddipan Mukherjee <[email protected]<mailto:[email protected]>> wrote: 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 **************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS******** End of Disclaimer ********INFOSYS*** -- Harsh J
