Re: 2-phase commit

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От Marc G. Fournier
Тема Re: 2-phase commit
Дата
Msg-id 20030929111407.B632@ganymede.hub.org
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Ответ на Re: 2-phase commit  (Bruce Momjian <pgman@candle.pha.pa.us>)
Ответы Re: 2-phase commit  (Bruce Momjian <pgman@candle.pha.pa.us>)
Re: 2-phase commit  (Andrew Sullivan <andrew@libertyrms.info>)
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On Mon, 29 Sep 2003, Bruce Momjian wrote:

> Marc G. Fournier wrote:
> > >         Master          Slave
> > >         ------          -----
> > >         commit ready-->
> > >                         <--OK
> > >         commit done->XX
> > >
> > > is the "commit done" message needed ?
> >
> > Of course ... how else will the Slave commit?  From my understanding, the
> > concept is that the master sends a commit ready to the slave, but the OK
> > back is that "OK, I'm ready to commit whenever you are", at which point
> > the master does its commit and tells the slave to do its ...
>
> Or the slave could reject the request.

Huh?  The slave has that option??  In what circumstance?


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