I'd love a little more input on this, being a complete neophyte when it
comes to Akka cluster.

To recap, let's call this entity ChannelMonitor. There are many many
ChannelMonitors underneath a ChannelMonitorSupervisor.
Currently, a message pertaining to a particular channel gets from the
supervisor to the appropriate ChannelMonitors by being placed on an
eventbus with LookupClassification. Each ChannelMonitor subscribes to this
event bus.

It seems to me that one appoach to clustering would be to shard the
supervisors - i.e have several ChannelMonitorSupervisors per node/shard
region, and retain the event-bus-based distribution to the ChannelMonitor
children.

Another would be to broadcast to all the ChannelMonitors and have them
ignore messages for other channels, but that seems a bit hokey

Another would be DistributedPubSub with a topic per channel, but since
there is an open-ended number of channels, that doesn't feel right either.

The ChannelMonitors are really the thing that there are lots of, and would
correspond to a DDD aggregate root (I believe), and would be a persistent
actor if I were using Akka persistence.

Should I be considering DistributedPubSub with sendOneMessageToEachGroup
and a custom routing logic?

Thanks for any thoughts on this use case.





On Fri, Jul 10, 2015 at 9:11 AM, Richard Rodseth <[email protected]> wrote:

> But I'll take a look, thanks. Not sure if one topic per channel is
> feasible.
>
> On Fri, Jul 10, 2015 at 9:04 AM, Richard Rodseth <[email protected]>
> wrote:
>
>> Nope. I imagined it to be for broadcasting, rather than having something
>> analagous to LookupClassification.
>>
>> On Fri, Jul 10, 2015 at 12:16 AM, Jim Hazen <[email protected]>
>> wrote:
>>
>>> Tried looking at the DistributedPubSub module?
>>>
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