pg.ddx.io  pgsql-admin@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Florian Weimer <fweimer@bfk.de>
To: Chris Ruprecht <chris@ruprecht.org>
Cc: pgsql-admin@postgresql.org
Subject: Re: Pre-Allocate tablespace on disk
Date: Fri, 19 Nov 2010 13:01:43 +0000
Message-ID: <82zkt55ux4.fsf@mid.bfk.de> (raw)
In-Reply-To: <9CB65F11-6FA4-48D5-BCC5-B3F694659965@ruprecht.org>
References: <9CB65F11-6FA4-48D5-BCC5-B3F694659965@ruprecht.org>

* Chris Ruprecht:

> Other database that I have worked with before and that I'm still
> working with, allow you to pre-allocate disk space so you get huge
> chunks of contiguous space at one, which has major impacts on
> database performance.

PostgreSQL's write patterns do not trigger significant fragmentation
with most file systems, even when other database systems (Oracle
Berkeley DB comes to my mind) would create heavily fragmented files.

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99



view thread (6+ messages)  latest in thread

Message-ID: <82zkt55ux4.fsf@mid.bfk.de>
Permalink:  ../82zkt55ux4.fsf@mid.bfk.de/
Also on:    postgresql.org/message-id/82zkt55ux4.fsf@mid.bfk.de

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-admin@postgresql.org
  Cc: fweimer@bfk.de, chris@ruprecht.org
  Subject: Re: Pre-Allocate tablespace on disk
  In-Reply-To: <82zkt55ux4.fsf@mid.bfk.de>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox