[infinispan-dev] Hot Rod - pt2

[Manik Surtani]

On 16 Dec 2009, at 13:49, Galder Zamarreno wrote:
>> Hmmmm, those two sentences seem to contradict each other. When there's a 
> full cluster restart, and your sockets gets "closed by peer" and you 
> can't contact any of the remaining servers, next time I think it's 
> better if you send -1 rather than trying to send the old view. 
> Otherwise, you might have issues like this:
> - Client had vClient=2.
> - Cluster restarts and after two hot rod cluster nodes started up, 
> vServer is 2.
> - Client figured out that the cluster restarted and restablishes the 
> contact and sends vClient=2.
> - The server does not send an updated view.
> 
> Now, this would be a problem for example if while the server was down, 
> you had changed the TCP port where the hot rod server was listening, or 
> there was some other change that might have affected the calculation of 
> the cluster node hashcode.
> 
> If the client sends -1, you avoid this issues, it's like a local reset.

Yeah thats a good point.

--
Manik Surtani
manik at jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org