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From: Alan Hodgson <ahodgson@simkin.ca>
To: pgsql-performance@postgresql.org
Subject: Re: SAN vs Internal Disks
Date: Fri, 7 Sep 2007 11:18:42 -0700
Message-ID: <200709071118.42749@hal.simkin.ca> (raw)
In-Reply-To: <bd8531800709071056g740cb44cld04cd489bc4e6343@mail.gmail.com>
References: <a199704d0709060535q6fea139aq2e3863e685555b0d@mail.gmail.com>
	<46E18886.7060502@aptalaska.net>
	<bd8531800709071056g740cb44cld04cd489bc4e6343@mail.gmail.com>

On Friday 07 September 2007 10:56, "Bryan Murphy" 
<bryan.murphy@gmail.com> wrote:
> Our database server connects to the san via iSCSI over Gig/E using
> jumbo frames.  File system is XFS (noatime).
>
> Throughput, however, kinda sucks.  I just can't get the kind of
> throughput to it I was hoping to get.  

A single Gig/E couldn't even theoretically do better than 125MB/sec, so 
yeah I would expect throughput sucks pretty bad.

-- 
"A democracy is a sheep and two wolves deciding on what to have for
lunch. Freedom is a well armed sheep contesting the results of the
decision." -- Benjamin Franklin




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