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WAL information

From: "Mitch Vincent" <mitch(at)venux(dot)net>
To: <pgsql-hackers(at)postgresql(dot)org>
Subject: WAL information
Date: 2000-12-01 20:29:34
Message-ID: 005801c05bd5$6b1eb4b0$0200000a@windows (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
Ok, this has peaked my interest in learning exactly what WAL is and what it
does... I don't see any in-depth explanation of WAL on the
site, can someone point me to some documentation? (if any exists, that is).



----- Original Message -----
From: "Nathan Myers" <ncm(at)zembu(dot)com>
To: <pgsql-hackers(at)postgresql(dot)org>
Sent: Friday, December 01, 2000 11:02 AM
Subject: Re: [HACKERS] beta testing version

> On Fri, Dec 01, 2000 at 06:39:57AM -0800, Don Baccus wrote:
> >
> > Probably the best answer to the "what does WAL get us, if it doesn't
> > get us full recoverability" questions is to simply say "it's a
> > prerequisite to getting full recoverability, PG 7.1 sets the foundation
> > and later work will get us there".
> Not to quibble, but for most of us, the answer to Don's question is:
> "It gives a ~20x speedup over 7.0."  That's pretty valuable to some of us.
> If it turns out to be useful for other stuff, that's gravy.
> Nathan Myers
> ncm(at)zembu(dot)com

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