| 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 |
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| 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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