incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aaron morton <aa...@thelastpickle.com>
Subject Re: Migrating data from 2 node cluster to a 3 node cluster
Date Mon, 08 Jul 2013 22:37:28 GMT
> This might work for user created keyspaces but might not work for system keyspace
Leaving the system keyspaces behind is OK if you are not using vnodes. 

Cheers

-----------------
Aaron Morton
Freelance Cassandra Consultant
New Zealand

@aaronmorton
http://www.thelastpickle.com

On 9/07/2013, at 10:03 AM, sankalp kohli <kohlisankalp@gmail.com> wrote:

> "If RF=N or RF>N, you can just copy all SStables to all nodes, watching out for name
collision."
> 
> This might work for user created keyspaces but might not work for system keyspace
> 
> 
> On Mon, Jul 8, 2013 at 2:07 PM, Robert Coli <rcoli@eventbrite.com> wrote:
> On Fri, Jul 5, 2013 at 7:54 PM, srmore <comomore@gmail.com> wrote:
> RF of old and new cluster is the same RF=3. Keyspaces and schema info is also same.
> 
> You have a cluster where RF=3 and N=2? Does it.. work?
> 
> What are the tokens of old and new nodes?
> tokens for old cluster ( 2-node )
> 
> If RF=N or RF>N, you can just copy all SStables to all nodes, watching out for name
collision.
> 
> =Rob
> 
> 


Mime
View raw message