[erlang-questions] OTP & Global Names

[Jack Orenstein]

I ran into a similar problem, and used global:sync/0 to make sure  
that all names were known on all nodes. I'm not positive that this is  
necessary, or a recommended technique, but it seemed to do the trick.

Jack

On Nov 7, 2007, at 10:16 PM, Kevin A. Smith wrote:

> I've been playing around with OTP a bit and have run into some
> behavior I'm not understanding.
>
> I have two nodes running on my laptop, foo and bar. Node foo is a erl
> shell started with the -sname parameter. Node bar is also an erl shell
> but is started -sname and with a boot script for a very simple OTP
> application. The app starts two gen_servers, calc and cache. Cache is
> started with the tuple {local, ?SERVER}. I expect cache to only be
> visible directly on its node and it is.
>
> On the other hand, calc is started with the tuple {global, ?SERVER}.
> I'd expect calc to be visible via global:registered_names() on node
> foo. Sadly for me, registered_names() returns an empty list. I've
> tested and verified basic networking between the two nodes via
> net_adm:ping() so I believe the nodes can see each other.
>
> What have I missed? I can provide copies of my .rel and .app files if
> it would help diagnose the problem.
>
> --Kevin
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