Re: remote datacentre consistency

2013-01-09 Thread Jabbar
Aaron, Thank you for your answers. On 10 Jan 2013 00:27, "aaron morton" wrote: > I thought Hinted Handoff was for downed replica's in the local datacentre. > I didn't realise that it would work with a remote datacenter. > > If the coordinator will store a hint if it detects a replica is down > b

Re: remote datacentre consistency

2013-01-09 Thread aaron morton
> I thought Hinted Handoff was for downed replica's in the local datacentre. I > didn't realise that it would work with a remote datacenter. If the coordinator will store a hint if it detects a replica is down before the request starts, or that the node did not return within rpc_timeout. > Likew

Re: remote datacentre consistency

2013-01-09 Thread Jabbar
Hello Simon, I thought Hinted Handoff was for downed replica's in the local datacentre. I didn't realise that it would work with a remote datacenter. Likewise for Anti Entropy I thought it only worked for the replicas in the local datacentre. I yet to find any definitive references which mention

RE: remote datacentre consistency

2013-01-09 Thread Simon Guindon
Here's a good document on how hinted handoff works http://www.datastax.com/dev/blog/modern-hinted-handoff I believe if I understand that document correctly that a hinted handoff will get created if the replica is down in the other data center. Also since Cassandra is self-healing, reads will cau