Horton

Re: 2-phase commit

Bruce Momjian <pgman@candle.pha.pa.us>

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From: Bruce Momjian <pgman@candle.pha.pa.us>
To: "Marc G. Fournier" <scrappy@postgresql.org>
Cc: Hiroshi Inoue <Inoue@tpf.co.jp>, Tom Lane <tgl@sss.pgh.pa.us>, "'Zeugswetter Andreas SB SD'" <ZeugswetterA@spardat.at>, "'Andrew Sullivan'" <andrew@libertyrms.info>, pgsql-hackers@postgresql.org
Date: 2003-09-29T14:10:17Z
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.

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