Re: [Postgres-xc-developers] Specifying different ports for datanode slaves

[Mason S. <ms...@tr...>]

On Thu, Jul 24, 2014 at 9:38 PM, 鈴木 幸市 <ko...@in...> wrote:

>  Background is to make configuration as simple as possible and to make
> promotion simpler.    XC primitive nodes support different port for master
> and slave, as in vanilla PG.
>
>  When promoting slave with the same port number, VIP will help to connect
> to the node without change in the target port/host.   VIP cannot do this if
> port number is different.   I understand this helps only for coordinator.
> I think it’s also better to make coordinator/datanode configuration as same
> as possible.
>

I had assumed this to be the reason. It makes sense to do as the default. I
think it would be a nice option to be able to configure differently for
development and debugging.

I added this to Postgres-XL as a ticket with a low priority, since I would
like to see it at least get in there eventually, to optionally override.

https://sourceforge.net/p/postgres-xl/tickets/25/



>
>  Regards;
> ---
> Koichi Suzuki
>
>  2014/07/24 21:08、Pavan Deolasee <pav...@gm...> のメール：
>
>  I noticed that we can't specify port number for datanode slave nodes
> that are different from the master nodes. Is it that way for a good reason?
> I'm asking before if I need to test this feature on a single node, I would
> like to run master and slave on the same machine. But since they use the
> same port number, its not possible to do that. Should we consider
> supporting different ports for datanode (and coordinator slaves) just like
> we do for GTM slave?
>
>  Thanks,
> Pavan
>
>  --
> Pavan Deolasee
> http://www.linkedin.com/in/pavandeolasee
>
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Mason Sharp

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