Received: from localhost (unknown [200.46.204.183]) by developer.postgresql.org (Postfix) with ESMTP id C28852E003A for ; Tue, 8 Apr 2008 07:01:23 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 27158-08 for ; Tue, 8 Apr 2008 07:01:18 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from mailsrv1.zmi.at (mailsrv1.zmi.at [212.69.162.198]) by developer.postgresql.org (Postfix) with ESMTP id 5AB702E0038 for ; Tue, 8 Apr 2008 07:01:18 -0300 (ADT) Received: from mailsrv.i.zmi.at (h081217054243.dyn.cm.kabsi.at [81.217.54.243]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mailsrv.i.zmi.at", Issuer "mailsrv.i.zmi.at" (not verified)) by mailsrv1.zmi.at (Postfix) with ESMTP id E7E9DE3F; Tue, 8 Apr 2008 12:01:15 +0200 (CEST) Received: from saturn.i.zmi.at (saturn.i.zmi.at [10.0.0.2]) by mailsrv.i.zmi.at (Postfix) with ESMTP id B5552BFBB; Tue, 8 Apr 2008 12:00:56 +0200 (CEST) From: Michael Monnerie Organization: it-management http://it-management.at To: Johann Spies , pgsql-admin@postgresql.org Subject: Re: Handling large volumes of data Date: Tue, 8 Apr 2008 12:01:14 +0200 User-Agent: KMail/1.9.6 (enterprise 20070904.708012) References: <20080408094233.GG13409@sun.ac.za> In-Reply-To: <20080408094233.GG13409@sun.ac.za> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1663021.mJmuIcnu5q"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200804081201.15175@zmi.at> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.025 tagged_above=0 required=5 tests=AWL=0.025 X-Spam-Level: X-Archive-Number: 200804/70 X-Sequence-Number: 28834 --nextPart1663021.mJmuIcnu5q Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Dienstag, 8. April 2008 Johann Spies wrote: > This took about a week on a 2xCPU quadcore server with 8Gb RAM. This is not the most interesting thing here. What disk I/O subsystem do=20 you use? At least a hardware RAID controller with RAID 0 or 10 should=20 be used, with 10krpm or 15krpm drives. SAS preferred, as on SATA the=20 only quick disks are Western Digital Raptor (which aren't too bad,=20 btw). mfg zmi =2D-=20 // Michael Monnerie, Ing.BSc ----- http://it-management.at // Tel: 0676/846 914 666 .network.your.ideas. // PGP Key: "curl -s http://zmi.at/zmi.asc | gpg --import" // Fingerprint: AC19 F9D5 36ED CD8A EF38 500E CE14 91F7 1C12 09B4 // Keyserver: www.keyserver.net Key-ID: 1C1209B4 --nextPart1663021.mJmuIcnu5q Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4-svn0 (GNU/Linux) iD8DBQBH+0JrzhSR9xwSCbQRAqOCAKDau+6Xydcg2bsHe/yErWmbldAvSgCfchmE bRUYwwAwKy2V0D683SAlM9s= =NWGI -----END PGP SIGNATURE----- --nextPart1663021.mJmuIcnu5q--