[Sheepdog] Sheepdog 0.3.0 schedule and 0.4.0 plan

[Liu Yuan]

On 11/15/2011 08:55 PM, Christoph Hellwig wrote:

>> Yes, that will cause latency issue. But we are concerned about reducing
>> network traffic too, how is your plan going to reduce the network traffic?
> 
> Maybe I haven't understood the linked model yet, but I don't see how it
> reduces network traffic either.


I think that write-cache can absorb write requests, without the cache,
every write will be spread to the replicated nodes over network. If we
can keep most of writes local, those traffic will be eliminated.

But as you said, the Guest will see a longer sync request serving time.

Yuan