Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id D7094133616B for ; Thu, 3 Mar 2011 01:19:02 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 02696-06 for ; Thu, 3 Mar 2011 05:18:55 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from spinlock.commandprompt.com (host-215.commandprompt.net [207.173.203.215]) by mail.postgresql.org (Postfix) with ESMTP id 4D7701337B68 for ; Thu, 3 Mar 2011 01:18:55 -0400 (AST) Received: from localhost (localhost [127.0.0.1]) by spinlock.commandprompt.com (Postfix) with ESMTP id 7DAF634804A; Wed, 2 Mar 2011 21:18:54 -0800 (PST) X-Virus-Scanned: Debian amavisd-new at commandprompt.com Received: from spinlock.commandprompt.com ([127.0.0.1]) by localhost (spinlock.commandprompt.com.commandprompt.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mTz+jJF5Dnsd; Wed, 2 Mar 2011 21:18:52 -0800 (PST) Received: from [192.168.1.137] (71-94-248-62.dhcp.mdfd.or.charter.com [71.94.248.62]) by spinlock.commandprompt.com (Postfix) with ESMTPSA id EB7A8348046; Wed, 2 Mar 2011 21:18:51 -0800 (PST) Subject: Re: long running commits From: "Joshua D. Drake" Reply-To: jd@commandprompt.com To: Robert Treat Cc: Kevin Grittner , "Adam (IMS) Vaughn" , "pgsql-admin@postgresql.org" , "Scott (IMS) Depuy" , "Kevin (IMS) Meagher" In-Reply-To: References: <6B760A41CEE02F46BADF29B4A874D6010F11C13A63@FALCON.omni.imsweb.com> <4D67DC90020000250003B04B@gw.wicourts.gov> <6B760A41CEE02F46BADF29B4A874D6010F11C13ABF@FALCON.omni.imsweb.com> <4D6E4078020000250003B2BF@gw.wicourts.gov> Content-Type: text/plain; charset="UTF-8" Organization: Command Prompt, Inc. Date: Wed, 02 Mar 2011 21:18:50 -0800 Message-ID: <1299129530.16115.54.camel@jd-desktop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9 X-Spam-Level: X-Archive-Number: 201103/24 X-Sequence-Number: 36896 On Wed, 2011-03-02 at 23:44 -0500, Robert Treat wrote: > Yeah, it's worth pointing out that either you (the OP) are reading the > wrong stuff, or interpreting it wrong. 25% is usually where people > will tell you to start, and then tune it *down* (change, measure, > asses, repeat). assess robert... not asses. We have enough of those, myself included :P > Won't work for every workload, but in general that's > the way to go. > > Robert Treat > play: xzilla.net > work: omniti.com > hiring: l42.org/Lg > -- PostgreSQL.org Major Contributor Command Prompt, Inc: http://www.commandprompt.com/ - 509.416.6579 Consulting, Training, Support, Custom Development, Engineering http://twitter.com/cmdpromptinc | http://identi.ca/commandprompt