| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | "Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org> |
| Cc: | Hiroshi Inoue <Inoue(at)tpf(dot)co(dot)jp>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "'Zeugswetter Andreas SB SD'" <ZeugswetterA(at)spardat(dot)at>, "'Andrew Sullivan'" <andrew(at)libertyrms(dot)info>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: 2-phase commit |
| Date: | 2003-09-29 14:10:17 |
| Message-ID: | 200309291410.h8TEAHL11068@candle.pha.pa.us |
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| Lists: | pgsql-hackers |
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.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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