Re: Update the Keyspace replication factor online

2011-04-14 Thread Yudong Gao
Thanks, Aaron! I will try the scenario in small scale first. I appreciate if anyone else have tried this before and can share the experience with us. Thanks! Yudong On Thu, Apr 14, 2011 at 4:26 AM, aaron morton wrote: > It looks like you are dropping DC1, in that case perhaps you could just mo

Re: Update the Keyspace replication factor online

2011-04-14 Thread aaron morton
It looks like you are dropping DC1, in that case perhaps you could just move the nodes from DC1 into DC 3. I *think* in your case if you made the RF change, ran repair on them, and worked at Quorum or ALL your clients would be ok. *BUT* I've not done this myself, please take care or ask for a

Re: Update the Keyspace replication factor online

2011-04-12 Thread Yudong Gao
Thanks for the reply, Aaron! On Tue, Apr 12, 2011 at 10:52 PM, aaron morton wrote: > Are you changing the replication factor or moving nodes ? I am just changing the replication factor, without touching the node configuration. > > To change the RF you need to repair and then once all repairing

Re: Update the Keyspace replication factor online

2011-04-12 Thread aaron morton
Are you changing the replication factor or moving nodes ? To change the RF you need to repair and then once all repairing is done run cleanup to remove the hold data. You can move whole nodes by moving all their data with them, assigning a new ip, and updating the topology file if used. Aa