On 5.3.2012, at 15.11, Attila Nagy wrote:

>> dsync doesn't currently take enough advantage of modseqs and send only the 
>> changed data.
> Hm. What is your estimate about the performance capability of the current 
> "best" replication scheme available in Dovecot?
> I know it's hard to tell, because there are a lot of parameters, but do you 
> think it's good for a real world environment with (10-1000*x :) thousands of 
> users, and a lot of changes?

The plan is to get it working with at least a few thousand users to several 
tens of thousands.

> BTW, it would even better to have something scalable as Cassandra, so 
> Dovecout wouldn't have to worry about replication and (read/write) 
> scalability.

Yes, that's also in my future plans, but it's a larger change. Also I don't 
think Cassandra (or any nosql?) still supports application-level merging of 
data after split brain.

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