On Tue, Apr 12, 2016 at 4:00 PM, Paul Cleary <[email protected]> wrote:

> Thanks Patrik...
>
> So, if I just put all nodes in the seed node list, then there would be no
> split brain on start, did I follow that correctly?
>

Yes, and make sure that the same node is at the first position in the list
(that's why I said ordered). Otherwise there is a risk that you end up with
several clusters when you start a new fresh cluster.


>
> I planned on implementing a simple resolver based on a static quorum
> size.  Seems pretty simple to just have a cluster singleton that listens to
> cluster events.  If the current cluster falls below the quorum then it
> should manual down the nodes in this straggling partition.
>

Sure. I don't think a singleton is what you are looking for, but you will
notice when you implement it. Make sure that you read the SBR documentation
and cover the things that are described there.
http://doc.akka.io/docs/akka/rp-16s01p04/scala/split-brain-resolver.html


>
> Thanks for your help!
>
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-- 

Patrik Nordwall
Akka Tech Lead
Lightbend <http://www.lightbend.com/> -  Reactive apps on the JVM
Twitter: @patriknw

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