Re: availability of SATA vendors

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Jeff Frost <jeff(at)frostconsultingllc(dot)com>
Cc: Luke Lonergan <llonergan(at)greenplum(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: availability of SATA vendors
Date: 2006-11-22 02:13:21
Message-ID: 1164161601.24113.189.camel@localhost.localdomain
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> 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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