Re: [Postgres-xc-general] Primary Key Conflict

[Gilberto N. <gil...@gm...>]

Nice...

Thanks for help me

2014-10-08 20:34 GMT-03:00 Michael Paquier <mic...@gm...>:

>
>
> On Wed, Oct 8, 2014 at 10:23 PM, Gilberto Nunes <
> gil...@gm...> wrote:
>
>> So, in other words, I will have this on the clients ( nodes ) and not on
>> the central DB (coordinators).
>> Sorry if I do not understand cleary what you explain... I am really new
>> in DB world...
>>
> A Postgres-XC cluster is made of a series of Coordinator and Datanodes.
> But instead of explaining it by email, I highly recommend that you read
> some related documentation that can easily be found on the net and
> understand its infrastructure before even trying to use it. Here is for
> example one:
>
> https://wiki.postgresql.org/images/4/44/Postgres-XC_Write-Scalable_Cluster.pdf
>
> I don't really know what you are trying to solve, but before exploring XC
> you should consider as well more simple solutions like a single PostgreSQL
> server coupled with some read-only standbys if you are really new in
> working on such systems. Multi-master looks great on the paper, with costs
> in either hardware, data availability or performance.
> Regards,
> --
> Michael
>



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Gilberto Ferreira