Horton

Re: [PATCHES] O_DIRECT for WAL writes

Curt Sampson <cjs@cynic.net>

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From: Curt Sampson <cjs@cynic.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Greg Stark <gsstark@mit.edu>, ITAGAKI Takahiro <itagaki.takahiro@lab.ntt.co.jp>, pgsql-hackers@postgresql.org
Date: 2005-06-23T03:54:15Z
Lists: pgsql-hackers 
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@cynic.net>   +81 90 7737 2974   http://www.NetBSD.org
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