From: | Curt Sampson <cjs(at)cynic(dot)net> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Greg Stark <gsstark(at)mit(dot)edu>, ITAGAKI Takahiro <itagaki(dot)takahiro(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: [PATCHES] O_DIRECT for WAL writes |
Date: | 2005-06-23 03:54:15 |
Message-ID: | Pine.NEB.4.62.0506231253040.12377@angelic.cynic.net |
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Lists: | pgsql-hackers pgsql-patches |
On Wed, 22 Jun 2005, Tom Lane wrote:
> [ shudder ] I can see the complaints now: "Merely starting up Postgres
> cut my overall system performance by a factor of 10!
Yeah, quite the scenario.
> This can *not* be default behavior, and unfortunately that limits its
> value quite a lot.
Indeed. Maybe it's best just to document this stuff for the various
OSes, and let the admins deal with configuring their machines.
But you know, it might be a reasonable option switch, or something.
cjs
--
Curt Sampson <cjs(at)cynic(dot)net> +81 90 7737 2974 http://www.NetBSD.org
Make up enjoying your city life...produced by BIC CAMERA
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