[infinispan-dev] RAC: Reliable Asynchronous Clustering

[Erik Salter]

Hi Bela,

I think the concept of memory as stable storage is a good one, except we
will also need to account for virtualized nodes.  For instance, we'd want
updaters {A,B,C} to be on separate machines, if possible, and the ranking
process of new views should also account for the physical machine they're
on.  This way we could lose entire machines and still know what keys to
update.

In essence, this is a similar concept that a TopologyAwareCH uses.

Thanks,

Erik

-----Original Message-----
From: infinispan-dev-bounces at lists.jboss.org
[mailto:infinispan-dev-bounces at lists.jboss.org] On Behalf Of Bela Ban
Sent: Monday, October 08, 2012 4:22 AM
To: infinispan-dev at lists.jboss.org
Subject: [infinispan-dev] RAC: Reliable Asynchronous Clustering

Hi all,

I've come up with an alternative to sync TX updates across sites. It's based
on the requirement that we need high reliability between sites, but yet it
isn't feasible to run 2PCs across sites. RAC [1] is supposed to be almost as
fast as async replication and close to the reliability sync replication
provides.

I've published the design at [1], and we'll present it in more detail at our
clustering meeting in Palma early November.

Comments and feedback are welcome !

[1] https://community.jboss.org/wiki/RAC


--
Bela Ban, JGroups lead (http://www.jgroups.org)
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