Re: Configuring synchronous replication

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От Joshua D. Drake
Тема Re: Configuring synchronous replication
Дата
Msg-id 1285177181.25937.15.camel@jd-desktop.iso-8859-1.charter.com
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Ответ на Re: Configuring synchronous replication  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Wed, 2010-09-22 at 13:26 -0400, Tom Lane wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
> > On Wed, Sep 22, 2010 at 1:09 PM, Joshua D. Drake <jd@commandprompt.com> wrote:
> >> On Wed, 2010-09-22 at 13:00 -0400, Robert Haas wrote:
> >>> But it CAN'T be a system catalog, because, among other problems, that
> >>> rules out cascading slaves, which are a feature a lot of people
> >>> probably want to eventually have.
> >> 
> >> I guarantee you there is a way around the cascade slave problem.
> 
> > And that would be...?
> 
> Indeed.  If it's a catalog then it has to be exactly the same on the
> master and every slave; which is probably a constraint we don't want
> for numerous reasons, not only cascade arrangements.

Unless I am missing something the catalog only needs information for its
specific cluster. E.g; My Master is, I am master for.

Joshua D. Drake


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