| From: | Curt Sampson <cjs(at)cynic(dot)net> |
|---|---|
| To: | Francisco Reyes <lists(at)natserv(dot)com> |
| Cc: | pgsql General List <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: One particular large database application |
| Date: | 2002-04-22 23:08:16 |
| Message-ID: | Pine.NEB.4.43.0204230801470.4187-100000@angelic.cynic.net |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Mon, 22 Apr 2002, Francisco Reyes wrote:
> IDE's may have good thoughput, but their seek times can't compete with top
> of the line SCSI.
Dollar for dollar, IDE has far better performance. Even including the
cost of extra controllers (because you need one controller for each
drive), I can get four high-end IDE drives for the price of one SCSI
drive. There's no way any SCSI drive is going to do as many I/Os per
second as four good IDE drives.
As well, seek time isn't always important. For your log disk, for
example, you care more about high sequential write speed.
> Exactly.. since it won't be easy for you to find the best distributions
> then it may be worth getting better hardware. :-)
What makes you think it won't be easy, in my case?
cjs
--
Curt Sampson <cjs(at)cynic(dot)net> +81 90 7737 2974 http://www.netbsd.org
Don't you know, in this new Dark Age, we're all light. --XTC
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