From owner-freebsd-net@FreeBSD.ORG Thu Jul 11 15:50:30 2013 Return-Path: Delivered-To: freebsd-net@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 18194DB8; Thu, 11 Jul 2013 15:50:30 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id E628E16D6; Thu, 11 Jul 2013 15:50:28 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id SAA09231; Thu, 11 Jul 2013 18:50:27 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1UxJ8V-000NBP-3e; Thu, 11 Jul 2013 18:50:27 +0300 Message-ID: <51DED40B.5050707@FreeBSD.org> Date: Thu, 11 Jul 2013 18:49:31 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130708 Thunderbird/17.0.7 MIME-Version: 1.0 To: Andre Oppermann Subject: Re: Listen queue overflow: N already in queue awaiting acceptance References: <51DE591E.7040405@FreeBSD.org> <51DE5C8C.3090404@freebsd.org> <20130711133504.GB67810@FreeBSD.org> <51DEC10B.3080409@freebsd.org> <51DEC992.2040902@FreeBSD.org> <51DED28D.80502@freebsd.org> In-Reply-To: <51DED28D.80502@freebsd.org> X-Enigmail-Version: 1.5.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-net@FreeBSD.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Jul 2013 15:50:30 -0000 on 11/07/2013 18:43 Andre Oppermann said the following: > I'm currently looking into a) applying a rate limiter to the message (as suggested > by Luigi); and b) add a per-socket accept queue overflow statistic that is visible > via netstat. I'll post patches for testing when done. Thank you very much! -- Andriy Gapon