From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [ofa-general] [PATCH 0/26] Reliable Datagram Sockets (RDS), take 2 Date: Sun, 1 Mar 2009 02:50:20 +0100 Message-ID: <20090301015020.GH26292@one.firstfloor.org> References: <1235525443-9007-1-git-send-email-andy.grover@oracle.com> <87myc73izx.fsf@basil.nowhere.org> <20090228055608.GB26292@one.firstfloor.org> <20090228223653.GD26292@one.firstfloor.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andi Kleen , Andy Grover , netdev@vger.kernel.org, rds-devel@oss.oracle.com, general@lists.openfabrics.org To: Andrew Grover Return-path: Received: from one.firstfloor.org ([213.235.205.2]:55444 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753897AbZCABbw (ORCPT ); Sat, 28 Feb 2009 20:31:52 -0500 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: > Higher load -> more time before a process runs -> rcvbuf overfills -> How can the rcvbuf overfill if the sender doesn't run? > ACKs dropped -> timeouts -> more retransmissions -> even higher load. > > Things are fine until they hit a point where everything goes to hell. -Andi