From: Steinar H. Gunderson <sgunderson@bigfoot.com>
To: pgsql-performance@postgresql.org
Subject: Re: Huge Data sets, simple queries
Date: Wed, 1 Feb 2006 18:55:35 +0100
Message-ID: <20060201175535.GA15442@uio.no> (raw)
In-Reply-To: <C00632F4.1B71F%llonergan@greenplum.com>
References: <op.s4ad01lhcigqcu@apollo13>
<C00632F4.1B71F%llonergan@greenplum.com>
On Wed, Feb 01, 2006 at 09:42:12AM -0800, Luke Lonergan wrote:
> This is actually interesting overall - I think what this might be showing is
> that the Linux SW RAID1 is alternating I/Os to the mirror disks from
> different processes (LWP or HWP both maybe?), but not within one process.
Having read the code, I'm fairly certain it doesn't really care what process
anything is coming from.
/* Steinar */
--
Homepage: http://www.sesse.net/
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To: pgsql-performance@postgresql.org
Cc: sgunderson@bigfoot.com
Subject: Re: Huge Data sets, simple queries
In-Reply-To: <20060201175535.GA15442@uio.no>
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