From owner-freebsd-current@FreeBSD.ORG Fri Jan 4 20:27:06 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C3FCF16A419 for ; Fri, 4 Jan 2008 20:27:06 +0000 (UTC) (envelope-from vadimnuclight@tpu.ru) Received: from relay1.tpu.ru (relay1.tpu.ru [213.183.112.102]) by mx1.freebsd.org (Postfix) with ESMTP id 6915513C4D3 for ; Fri, 4 Jan 2008 20:27:06 +0000 (UTC) (envelope-from vadimnuclight@tpu.ru) Received: from localhost (localhost.localdomain [127.0.0.1]) by relay1.tpu.ru (Postfix) with ESMTP id 55E2D1046C5; Sat, 5 Jan 2008 02:27:05 +0600 (NOVT) X-Virus-Scanned: amavisd-new at tpu.ru Received: from relay1.tpu.ru ([127.0.0.1]) by localhost (relay1.tpu.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id X9gIP5qfsNFZ; Sat, 5 Jan 2008 02:27:02 +0600 (NOVT) Received: from mail.main.tpu.ru (mail.main.tpu.ru [10.0.0.3]) by relay1.tpu.ru (Postfix) with ESMTP id 2EEEC1046C1; Sat, 5 Jan 2008 02:27:02 +0600 (NOVT) Received: from mail.tpu.ru ([213.183.112.105]) by mail.main.tpu.ru with Microsoft SMTPSVC(6.0.3790.3959); Sat, 5 Jan 2008 02:27:01 +0600 Received: from nuclight.avtf.net ([78.140.2.250]) by mail.tpu.ru over TLS secured channel with Microsoft SMTPSVC(6.0.3790.3959); Sat, 5 Jan 2008 02:27:00 +0600 Date: Sat, 05 Jan 2008 02:26:53 +0600 To: "Peter Jeremy" References: <20080104192820.GM947@server.vk2pj.dyndns.org> From: "Vadim Goncharov" Organization: AVTF TPU Hostel Content-Type: text/plain; format=flowed; delsp=yes; charset=koi8-r MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID: In-Reply-To: <20080104192820.GM947@server.vk2pj.dyndns.org> User-Agent: Opera M2/7.54 (Win32, build 3865) X-OriginalArrivalTime: 04 Jan 2008 20:27:00.0371 (UTC) FILETIME=[28DD1E30:01C84F10] X-Mailman-Approved-At: Fri, 04 Jan 2008 20:55:04 +0000 Cc: "freebsd-current@freebsd.org" Subject: Re: sbrk(2), OOM-killer and malloc() overcommit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Jan 2008 20:27:06 -0000 05.01.08 @ 01:28 Peter Jeremy wrote: >> will make a bad reputation for FreeBSD as a server platform. But there >> are >> related "bug", in that of malloc overcommit, which can be demonstrated >> by >> this short program (if no resource limits are present, you'll see): > > This is a feature, not a bug. > >> http://people.freebsd.org/~kib/overcommit/index.html - but it has never >> gone into src tree. So why we still have this problem, why not have at >> least this patch?.. > > Overcommit has been bikeshedded extensively in the past. I suggest you > study the archives first. So why we are losing users due to this "feature", as other OSes provide tunables? Can I find somewhere summary of that discussions in archives? -- WBR, Vadim Goncharov