Why not just have a small DC/ring of nodes which you just do your
I wouldn't take nodes offline from the ring just to back them up.
The other option is to add sufficient nodes to handle your existing
request I/O + backups. Sounds like you might be already I/O
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On Tue, Nov 5, 2013 at 4:36 PM, Sridhar Chellappa
> We are running into problems where Backup jobs are taking away a huge
> bandwidth out of the C* nodes. While we can schedule a particular timing
> window for backups alone, the request pattern is so random; there is no
> particular time where we can schedule backups, periodically.
> My current thinking is to run backups against a replica that does not serve
> requests. Questions:
> Is it the right strategy?
> if it is - how do I pull a replica out from serving requests ?
> If not, what is the right backup strategy ?