[erlang-questions] Staring more than one instance of a gen_server

Ken Robinson <>
Sat Oct 16 15:34:37 CEST 2010


Hi Ahmed,
Thanks for your reply.
I read that part of the documentation. I feel I want some less dynamic.
I read some of the gen_server doco
(http://www.erlang.org/doc/man/gen_server.html) where it referred to
the start_link function:
start_link(ServerName, Module, Args, Options) -> Result
...
ServerName = {local,Name} | {global,GlobalName}
I'm going to try changing the Id to the module name plus a number then
making the ServerName the same as that.
Ken.

{Id, StartFunc, Restart, Shutdown, Type, Modules} from the
On Fri, Oct 15, 2010 at 6:31 AM, Ahmed Omar <> wrote:
> Hi Ken,
> It all depends on your purposes. If you want to start these processes as a
> part of a supervision tree, so you would probably like to use
> simple-one-for-one strategy and children dynamically
> supervisor:start_child(Sup, List)
> http://www.erlang.org/doc/design_principles/sup_princ.html#id67619
> On Thu, Oct 14, 2010 at 5:15 PM, Ken Robinson <>
> wrote:
>>
>> Hi All,
>> If I wanted to start more than one instance of a gen_server what is
>> the best practice? The gen_servers would be exactly the same except
>> for the seeding parameters. From what I've found I could use the child
>> spec and seed with specific names through the arguments like so:
>> start_link(PortNumber, MySpecialName) -> gen_server:start_link({local,
>> MySpecialName, ?MODULE, PortNumber, []).
>> Would that work?
>> --
>> regards,
>> Ken Robinson
>>
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>
>
>
> --
> Best Regards,
> - Ahmed Omar
> http://nl.linkedin.com/in/adiaa
> Follow me on twitter
> @spawn_think
>



-- 
regards,
Ken Robinson
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