Re: WAL feature

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: The Hermit Hacker <scrappy(at)hub(dot)org>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: WAL feature
Date: 2001-04-27 22:16:28
Message-ID: 200104272216.f3RMGTw29842@candle.pha.pa.us
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> On Fri, 27 Apr 2001, Bruce Momjian wrote:
>
> >
> > WAL was a difficult feature to add to 7.1. Currently, it is only used
> > as a performance benefit, but I expect it will be used in the future to
> > add new features like:
> >
> > Advanced Replication
>
> How?

I guess other hosts could read the WAL to find out what changed.

>
> > Point-in-time recovery
>
> I thought that was understood from Vadim's explanations?

Yes, I am just reiterating that WAL may be related to future new
features.

>
> > Row reuse without vacuum
>
> How? Didn't even see these as being related ...

It may be. Not sure.

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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