Re: Inserts optimization?

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: Francisco Reyes <lists(at)stringsutils(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Chris <dmagick(at)gmail(dot)com>, Pgsql performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Inserts optimization?
Date: 2006-04-14 05:59:23
Message-ID: 20060414055923.GX49405@pervasive.com
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On Thu, Apr 13, 2006 at 02:59:23PM -0400, Francisco Reyes wrote:
> In RAID 10 would it matter that WALL is in the same RAID set?
> Would it be better:
> 4 disks in RAID10 Data
> 2 disks RAID 1 WALL
> 2 hot spares

Well, benchmark it with your app and find out, but generally speaking
unless your database is mostly read you'll see a pretty big benefit to
seperating WAL from table/index data.
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461

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