From: Bernd Helmle <mailings@oopsware.de>
To: Tom Lane <tgl@sss.pgh.pa.us>
To: Joshua D. Drake <jd@commandprompt.com>
Cc: Gregory Stark <stark@enterprisedb.com>
Cc: Simon Riggs <simon@2ndquadrant.com>
Cc: mfatticcioni@mbigroup.it
Cc: pgsql-performance@postgresql.org
Subject: Re: DRBD and Postgres: how to improve the perfomance?
Date: Sat, 08 Sep 2007 20:22:24 +0200
Message-ID: <02B6620CD34BA4D0F4A62C45@imhotep.credativ.de> (raw)
In-Reply-To: <24337.1189269577@sss.pgh.pa.us>
References: <2C070D1C3970467FF64F6B6A@imhotep.credativ.de>
<1189232904.4281.19.camel@ebony.site>
<87k5r1zd52.fsf@oxford.xeocode.com>
<46E2CAAF.50205@commandprompt.com>
<24337.1189269577@sss.pgh.pa.us>
--On Samstag, September 08, 2007 12:39:37 -0400 Tom Lane
<tgl@sss.pgh.pa.us> wrote:
> However, it seems like the point here is not so much "can you recover
> your data" as what a commit means. Do you want a commit reported to the
> client to mean the data is safely down to disk in both places, or only
> one?
Yeah, that's what i meant to say. DRBD provides a handful other tweaks
besides changing the sync protocol, i'd start with them first. You can get
back experimenting with the sync protocol if there are still performance
issues then. I don't hesitate changing to B as long as I'm aware that it
changed semantics and I can deal with them.
--
Thanks
Bernd
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Subject: Re: DRBD and Postgres: how to improve the perfomance?
In-Reply-To: <02B6620CD34BA4D0F4A62C45@imhotep.credativ.de>
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