Re: Big 7.4 items

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: darren(at)up(dot)hrcoxmail(dot)com
Cc: Jan Wieck <JanWieck(at)Yahoo(dot)com>, shridhar_daithankar(at)persistent(dot)co(dot)in, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Big 7.4 items
Date: 2002-12-13 21:19:32
Message-ID: 200212132119.gBDLJWf07970@candle.pha.pa.us
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darren(at)up(dot)hrcoxmail(dot)com wrote:
> > It is asynchronous without the need of 2 phase commit. It is group
> > communication based and requires the group communication system to
> > guarantee total order. The tricky part is, that the local transaction
> > must be on hold until the own commit message comes back without a prior
>
> No, It holds until it's own Writeset comes back. Commits
> and then send a commit message on the simple channel, so
> commits don't wait for ordered writesets.

Darren, can you clarify this? Why does it send that message? How does
it allow commits not to wait for ordered writesets?

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