Re: [Cassandra] Replacing a cassandra node

2013-06-27 Thread Eric Stevens
Well I guess I'm glad to know I didn't just miss something obvious. I voted for the issue on Jira; I don't know if that's used to prioritize features or not, but it can't hurt, right? =) On Wed, Jun 26, 2013 at 3:03 PM, Robert Coli rc...@eventbrite.com wrote: On Fri, Jun 21, 2013 at 5:25 AM,

Re: [Cassandra] Replacing a cassandra node

2013-06-26 Thread Robert Coli
On Fri, Jun 21, 2013 at 5:25 AM, Eric Stevens migh...@gmail.com wrote: Is there a way to replace a failed server using vnodes? I only had occasion to do this once, on a relatively small cluster. ... Of course that caused a bunch of key reassignments, so I'm sure it would be less work for the

Re: [Cassandra] Replacing a cassandra node with one of the same IP

2013-06-26 Thread aaron morton
So are hints to a given UUID discarded after some period of time with that UUID not present in the cluster? From memory they are TTL'd at the gc_grace_seconds for the CF. Cheers - Aaron Morton Freelance Cassandra Consultant New Zealand @aaronmorton http://www.thelastpickle.com

Re: [Cassandra] Replacing a cassandra node with one of the same IP

2013-06-25 Thread Robert Coli
On Mon, Jun 24, 2013 at 8:53 PM, aaron morton aa...@thelastpickle.com wrote: so I am just wondering if this means the hinted handoffs are also updated to reflect the new Cassandra node uuid. Without checking the code I would guess not. Because it would involve a potentially large read / write

Re: [Cassandra] Replacing a cassandra node with one of the same IP

2013-06-24 Thread aaron morton
would not think a nodetool cleanup would be necessary. - Forwarded Message - From: Robert Coli rc...@eventbrite.com To: user@cassandra.apache.org; Emalayan Vairavanathan svemala...@yahoo.com Sent: Thursday, 20 June 2013 11:40 AM Subject: Re: [Cassandra] Replacing a cassandra node

Re: [Cassandra] Replacing a cassandra node

2013-06-21 Thread Eric Stevens
Is there a way to replace a failed server using vnodes? I only had occasion to do this once, on a relatively small cluster. At the time I just needed to get the new server online and wasn't concerned about the performance implications, so I just removed the failed server from the cluster and

Re: [Cassandra] Replacing a cassandra node with one of the same IP

2013-06-21 Thread Mahony, Robin
; Emalayan Vairavanathan svemala...@yahoo.commailto:svemala...@yahoo.com Sent: Thursday, 20 June 2013 11:40 AM Subject: Re: [Cassandra] Replacing a cassandra node On Thu, Jun 20, 2013 at 10:40 AM, Emalayan Vairavanathan svemala...@yahoo.commailto:svemala...@yahoo.com wrote: In the case where replace

[Cassandra] Replacing a cassandra node

2013-06-20 Thread Emalayan Vairavanathan
Hi All, I have a question. In the case where replace a cassandra node (call it node A) with another one that has the exact same IP (ie. during a node failure), what exactly should we do?  Currently I understand that we should at least run nodetool repair.  I noticed that the cassandra system

Re: [Cassandra] Replacing a cassandra node

2013-06-20 Thread Robert Coli
On Thu, Jun 20, 2013 at 10:40 AM, Emalayan Vairavanathan svemala...@yahoo.com wrote: In the case where replace a cassandra node (call it node A) with another one that has the exact same IP (ie. during a node failure), what exactly should we do? Currently I understand that we should at least