From owner-freebsd-hackers Thu Jan 28 18:09:58 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA28689 for freebsd-hackers-outgoing; Thu, 28 Jan 1999 18:09:58 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from smtp04.primenet.com (smtp04.primenet.com [206.165.6.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA28680 for ; Thu, 28 Jan 1999 18:09:55 -0800 (PST) (envelope-from tlambert@usr07.primenet.com) Received: (from daemon@localhost) by smtp04.primenet.com (8.8.8/8.8.8) id TAA01089; Thu, 28 Jan 1999 19:09:52 -0700 (MST) Received: from usr07.primenet.com(206.165.6.207) via SMTP by smtp04.primenet.com, id smtpd000971; Thu Jan 28 19:09:43 1999 Received: (from tlambert@localhost) by usr07.primenet.com (8.8.5/8.8.5) id TAA10548; Thu, 28 Jan 1999 19:09:32 -0700 (MST) From: Terry Lambert Message-Id: <199901290209.TAA10548@usr07.primenet.com> Subject: Re: High Load cron patches - comments? To: dillon@apollo.backplane.com (Matthew Dillon) Date: Fri, 29 Jan 1999 02:09:31 +0000 (GMT) Cc: wes@softweyr.com, toasty@home.dragondata.com, hackers@FreeBSD.ORG In-Reply-To: <199901271703.JAA40222@apollo.backplane.com> from "Matthew Dillon" at Jan 27, 99 09:03:26 am X-Mailer: ELM [version 2.4 PL25] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > :So this is why pmake drives our system load average up to 8-10 before > :dropping back down to the assigned limit of 5, huh? Maybe we should > :fix the load average computations as John suggested. > > There's nothing wrong with the load average computation, it's a 1, 5, > and 15 minute pseudo-average just as advertised. What's wrong are the > programs that try to use it to regulate themselves. An instantaneous load average is very easy to maintain and retrieve, using number of jobs in the ready-to-run state. This is how Solaris does load. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message