From: Steinar H. Gunderson <sgunderson@bigfoot.com>
To: pgsql-performance@postgresql.org
Subject: Re: Best OS for Postgres 8.2
Date: Wed, 9 May 2007 11:38:24 +0200
Message-ID: <20070509093824.GB10644@uio.no> (raw)
In-Reply-To: <Pine.LNX.4.64.0705090150020.2213@asgard.lang.hm>
References: <C3E62232E3BCF24CBA20D72BFDCB6BF803EB6A45@MI8NYCMAIL08.Mi8.com>
<Pine.GSO.4.64.0705082332480.1773@westnet.com>
<Pine.LNX.4.64.0705090150020.2213@asgard.lang.hm>
On Wed, May 09, 2007 at 01:57:51AM -0700, david@lang.hm wrote:
> given that RAID, snapshots, etc are already in the linux kernel, I suspect
> that what will need to happen is for the filesystem to be ported without
> those features and then the userspace tools (that manipulate the volumes )
> be ported to use the things already in the kernel.
Well, part of the idea behind ZFS is that these parts are _not_ separated in
"layers" -- for instance, the filesystem can push data down to the RAID level
to determine the stripe size used.
Whether this is a good idea is of course hotly debated, but I don't think you
can port just the filesystem part and call it a day.
/* Steinar */
--
Homepage: http://www.sesse.net/
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To: pgsql-performance@postgresql.org
Cc: sgunderson@bigfoot.com
Subject: Re: Best OS for Postgres 8.2
In-Reply-To: <20070509093824.GB10644@uio.no>
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