On Friday, March 18, 2016 at 2:27:18 AM UTC-7, drewhk wrote:
>
> Hi Curt,
>
> On Fri, Mar 18, 2016 at 5:35 AM, Curt Siffert <[email protected] 
> <javascript:>> wrote:
>
>> Hi, I'm supporting a pre-existing Akka project that is currently set up 
>> to run 1 Master instance and N Worker instances.
>>
>> It does not use routing/remoting.
>>
>
> What do you mean by not using routing? How does that relate to remoting? I 
> sense some confusion here.
>

I mean that each instance's actors only talks to actors on its own 
instance; not to actors on other instances.  It is quite likely I have some 
confusion, because so far we have not used either routing or remoting, and 
the tutorials I've seen for Akka Cluster use routing.

  

> With no routing/remoting, Master would not be sending messages to them.
>>
>
> Clustering works on top of remoting. I sense a confusion here, again.
>

In both of the tutorials I've seen, it appears that Master allocates work 
to the Workers by using routing to communicate with Workers on other nodes.

Yes, I see that Clustering works on top of remoting, but beyond that we 
want to retain existing functionality. We just want an instance to know 
whether to start its own worker actor system, or its own master actor 
system.

By the way, did you mistype?  Did you mean it starts up the master 
subsystem if it sees the singleton locally?  Is there another way that 
wouldn't require pinging/polling?


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