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Re: Pre-allocate space in advance

From: "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com>
To: "Tomeh, Husam" <htomeh(at)firstam(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>,Scott Marlowe <smarlowe(at)g2switchworks(dot)com>,pgsql-admin(at)postgresql(dot)org
Subject: Re: Pre-allocate space in advance
Date: 2005-11-01 17:41:25
Message-ID: 20051101174125.GS20349@pervasive.com (view raw or flat)
Thread:
Lists: pgsql-admin
On Tue, Nov 01, 2005 at 09:17:46AM -0800, Tomeh, Husam wrote:
>  
> I don't have any numbers; and it may be an misconception as you pointed
> out that's out there among Oracle DBAs that need to be re-visited again.
> 
> Tom, could you also explain what you meant in a previous post I found
> during my research on this issue, which I may have misunderstood it: "I
> actually wish that Postgres would preallocate a lot of blocks in advance
> (ie. 100 x 8KB). That would probably improve performance, as it would
> not have to keep re-extending the file."  
> 
> http://archives.postgresql.org/pgsql-interfaces/2001-01/msg00153.php

Wrong Tom.
-- 
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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