Most systems that store state say ORM and publish events are just really 
broken (in a subtle way). They have the problem of two sources of truth 
(what if they disagree?)

On Monday, September 1, 2014 6:58:56 AM UTC+1, Ashley Aitken wrote:
>
>
> Thank you Markus for a very useful contribution.
>
> I too included a link to that architecture diagram in a previous post in 
> another thread.  I think the provision of an "eventbus" for CQRS to 
> integrate with other bounded contexts on the write-side and, of course, the 
> read-side is very important and something that the current Akka proposal 
> lacks.  
>
> My challenge to the Akka team would be to consider how someone could use 
> Akka for CQRS *without* using event sourcing to persist the actors (e.g. 
> their state may just be saved to an SQL database).  Note that I have 
> nothing against the current PersistentActor class, it seems great.  
>
> As I understand it though, CQRS is completely possible without event 
> sourcing aggregate state and I believe most such implementations still 
> needs some sort of reliable / persistent event store / bus for integration 
> on the write-side and updating the read models on the read-side.
>
>

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