WAL information - Mailing list pgsql-hackers

From Mitch Vincent
Subject WAL information
Date
Msg-id 005801c05bd5$6b1eb4b0$0200000a@windows
Whole thread Raw
In response to Re: beta testing version  (Don Baccus <dhogaza@pacifier.com>)
List 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 postgresql.org
site, can someone point me to some documentation? (if any exists, that is).

Thanks!

-Mitch

----- Original Message -----
From: "Nathan Myers" <ncm@zembu.com>
To: <pgsql-hackers@postgresql.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@zembu.com
>



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