Re: nodetool repair on cluster

2011-03-17 Thread Huy Le
Thanks Jonathan, Aaron, Daniel! I have a related question. I would like to get a copy of data from these 12-server cluster with manually assigned babanced server tokens, and set it up on a new cluster. I would like to minimize the number of the server on the new cluster without having to build

nodetool repair on cluster

2011-03-15 Thread Huy Le
Hi, We have a cluster with 12 servers and use RF=3. When running nodetool repair, do we have to run it on all nodes on the cluster or can we run on every 3rd node? Thanks! Huy -- Huy Le Spring Partners, Inc. http://springpadit.com

Re: nodetool repair on cluster

2011-03-15 Thread Daniel Doubleday
At least if you are using RackUnawareStrategy Cheers, Daniel On Mar 15, 2011, at 6:44 PM, Huy Le wrote: Hi, We have a cluster with 12 servers and use RF=3. When running nodetool repair, do we have to run it on all nodes on the cluster or can we run on every 3rd node? Thanks! Huy

Re: nodetool repair on cluster

2011-03-15 Thread aaron morton
AFAIK you should run it on every node. http://wiki.apache.org/cassandra/Operations#Repairing_missing_or_inconsistent_data Aaron On 16 Mar 2011, at 06:58, Daniel Doubleday wrote: At least if you are using RackUnawareStrategy Cheers, Daniel On Mar 15, 2011, at 6:44 PM, Huy Le wrote:

Re: nodetool repair on cluster

2011-03-15 Thread Jonathan Ellis
right, every 3rd node is adequate w/ RUS/SimpleStrategy since each node repairs all the ranges it has replicated to it. On Tue, Mar 15, 2011 at 12:58 PM, Daniel Doubleday daniel.double...@gmx.net wrote: At least if you are using RackUnawareStrategy Cheers, Daniel On Mar 15, 2011, at 6:44 PM,