From: Joshua D. Drake <jd@commandprompt.com>
To: Jeff Frost <jeff@frostconsultingllc.com>
Cc: Luke Lonergan <llonergan@greenplum.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: availability of SATA vendors
Date: Tue, 21 Nov 2006 18:13:21 -0800
Message-ID: <1164161601.24113.189.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.64.0611211750200.6794@discord.home.frostconsultingllc.com>
References: <C1838B9E.B2B5%llonergan@greenplum.com>
<Pine.LNX.4.64.0611211750200.6794@discord.home.frostconsultingllc.com>
> ASAcomputers has been the most helpful of all the vendors so far, so thanks
> for point me at them. I know you've been posting results with the Areca and
> 3ware controllers, do you have a preference for one over the other? It seems
> that you can only get 256MB cache with the 3ware 9550SX and you can get 512MB
> with the 9650SE, but only the Areca cards go up to 1GB.
Don't count out LSI either. They make a great SATA controller based off
their very well respected SCSI controller.
Sincerely,
Joshua D. Drake
>
> I'm curious how big a performance gain we would see going from 256MB cache to
> 512MB to 1GB. This is for a web site backend DB which is mostly read
> intensive, but occassionally has large burts of write activity due to new user
> signups generated by the marketing engine.
>
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, jeff@frostconsultingllc.com, llonergan@greenplum.com
Subject: Re: availability of SATA vendors
In-Reply-To: <1164161601.24113.189.camel@localhost.localdomain>
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