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Re: compact flash disks?

To: Carlos Moreno <moreno_pg@xxxxxxxxxxx>
Subject: Re: compact flash disks?
From: Csaba Nagy <nagy@xxxxxxxxxxxxxx>
Date: Wed, 07 Mar 2007 16:49:07 +0100
Cc: postgres performance list <pgsql-performance@xxxxxxxxxxxxxx>
In-reply-to: <45EEDED8.9000804@xxxxxxxxxxx>
References: <HCEPKPMCAJLDGJIBCLGHOEBCHEAA.james@xxxxxxxxxxxxxxxxxxxxxx> <E1HOxqf-0005Mn-Uw@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <45EEDED8.9000804@xxxxxxxxxxx>

> Or are these Flash disks so slow that they compare to the HD's latency 
> figures?

On sequential read speed HDs outperform flash disks... only on random
access the flash disks are better. So if your application is a DW one,
you're very likely better off using HDs.

Cheers,
Csaba.

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