My understanding is that turning off auto-downing means that there are only
2 ways to mark a node as down:
1. The node leaving the cluster "gracefully"
2. Manually downing the node via API
So in your use-case, the cluster should recover after the network heals.
(Take this with a grain of salt, though... It's not an "official" answer)
On Monday, July 17, 2017 at 10:29:36 AM UTC+3, Muthukumaran Kothandaraman
> I searched around the mailing list and forums for my specific
> clarifications. I got partial answers via below discussion
> But, in my case, its a full partition and healing (think of it more like
> the switch connecting nodes of cluster is deliberately rebooted and
> communication blackout among akka nodes can last in order of minutes -
> minimum 5 minutes). In that context, I have following
> *Context : *
> Akka version - 2.4.7
> Usage - Basic clustering - no sharding / singleton usage
> Cluster size - 3 nodes (separate VMs)
> Scenario - communications between all nodes to be broken and restored
> after 4 minutes by a deliberate network partition
> No JVM restarts involved
> Not using special features like SBR
> *Clarifications :*
> a) When communications is broken all nodes will obviously go into
> suspicion about their peers and report UNREACHABILITY - this is
> understandable. But, will eventually nodes start marking each other as DOWN
> locally even if auto-downing is off for above scenario because of very long
> duration of network blackout in my case ?
> b) if above is not true is then I assume cluster will start functionaing
> normally after 4 minutes when the communications are restored without any
> nodes being quarantined / downed- is this correct ?
> Thanks in advance
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