Re: [PERFORM] Hardware/OS recommendations for large databases (</TIT= LE> </HEAD> <BODY> Alan,= On 11/18/05 6:46 AM, "Alan Stange" <stange@rentec.com> wrot= e: <BLOCKQUOTE>That's 3 hours under load, with 80 compute clients beat= ing on the database at the same time. We have the stats turned way up, so = the analyze tends to read a big chunk of the tables a second time as well. We typically don't have three hours a day of idle t= ime. </BLOCKQUOTE> So I guess you’re saying you don’t know what your I/O rate is?<= BR> - Luke </BODY> </HTML> --B_3215143662

X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 25616DBAAE for ; Fri, 18 Nov 2005 11:27:57 -0400 (AST) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 39796-04 for ; Fri, 18 Nov 2005 15:28:00 +0000 (GMT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from mail.mi8.com (d01gw02.mi8.com [63.240.6.46]) by svr1.postgresql.org (Postfix) with ESMTP id 6120CDBA92 for ; Fri, 18 Nov 2005 11:27:52 -0400 (AST) Received: from 172.16.1.112 by mail.mi8.com with ESMTP (- Welcome to Mi8 Corporation www.Mi8.com (D2)); Fri, 18 Nov 2005 10:27:45 -0500 X-Server-Uuid: 7829E76E-BB9E-4995-8473-3C0929DF7DD1 Received: from MI8NYCMAIL06.Mi8.com ([172.16.1.175]) by D01SMTP02.Mi8.com with Microsoft SMTPSVC(6.0.3790.211); Fri, 18 Nov 2005 10:27:43 -0500 Received: from 69.181.100.71 ([69.181.100.71]) by MI8NYCMAIL06.Mi8.com ( [172.16.1.219]) via Exchange Front-End Server mi8owa.mi8.com ( [172.16.1.104]) with Microsoft Exchange Server HTTP-DAV ; Fri, 18 Nov 2005 10:27:42 -0500 User-Agent: Microsoft-Entourage/11.2.1.051004 Date: Fri, 18 Nov 2005 07:27:42 -0800 Subject: Re: Hardware/OS recommendations for large databases ( From: "Luke Lonergan" To: stange@rentec.com cc: "Dave Cramer" , "Greg Stark" , "Joshua Marsh" , pgsql-performance@postgresql.org Message-ID: Thread-Topic: [PERFORM] Hardware/OS recommendations for large databases ( Thread-Index: AcXsTw0c95ObdkQGQ1Cr04ElJkGvZwABZDAP In-Reply-To: <437DE960.9070606@rentec.com> MIME-Version: 1.0 X-OriginalArrivalTime: 18 Nov 2005 15:27:43.0217 (UTC) FILETIME=[9E991E10:01C5EC54] X-WSS-ID: 6F632D642RS9471348-06-01 Content-Type: multipart/alternative; boundary=B_3215143662_2194465 X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=1.254 required=5 tests=[AWL=-0.000, HTML_MESSAGE=0.001, RCVD_NUMERIC_HELO=1.253] X-Spam-Score: 1.254 X-Spam-Level: * X-Archive-Number: 200511/378 X-Sequence-Number: 15635 > This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --B_3215143662_2194465 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Alan, On 11/18/05 6:46 AM, "Alan Stange" wrote: > That's 3 hours under load, with 80 compute clients beating on the > database at the same time. We have the stats turned way up, so the > analyze tends to read a big chunk of the tables a second time as > well. We typically don't have three hours a day of idle time. So I guess you=B9re saying you don=B9t know what your I/O rate is? - Luke --B_3215143662_2194465 Content-Type: text/html; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Re: [PERFORM] Hardware/OS recommendations for large databases (</TIT= LE> </HEAD> <BODY> Alan,= On 11/18/05 6:46 AM, "Alan Stange" <stange@rentec.com> wrot= e: <BLOCKQUOTE>That's 3 hours under load, with 80 compute clients beat= ing on the database at the same time. We have the stats turned way up, so = the analyze tends to read a big chunk of the tables a second time as well. We typically don't have three hours a day of idle t= ime. </BLOCKQUOTE> So I guess you’re saying you don’t know what your I/O rate is?<= BR> - Luke </BODY> </HTML> --B_3215143662_2194465--