Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751213AbXBVRRj (ORCPT ); Thu, 22 Feb 2007 12:17:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751294AbXBVRRj (ORCPT ); Thu, 22 Feb 2007 12:17:39 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:37632 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1751213AbXBVRRi (ORCPT ); Thu, 22 Feb 2007 12:17:38 -0500 Date: Thu, 22 Feb 2007 09:17:35 -0800 (PST) Message-Id: <20070222.091735.30182079.davem@davemloft.net> To: mingo@elte.hu Cc: johnpol@2ka.mipt.ru, arjan@infradead.org, drepper@redhat.com, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, hch@infradead.org, akpm@zip.com.au, alan@lxorguk.ukuu.org.uk, zach.brown@oracle.com, suparna@in.ibm.com, davidel@xmailserver.org, jens.axboe@oracle.com, tglx@linutronix.de Subject: Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3 From: David Miller In-Reply-To: <20070222151509.GA13670@elte.hu> References: <20070222143145.GA3246@elte.hu> <20070222.064704.71093028.davem@davemloft.net> <20070222151509.GA13670@elte.hu> X-Mailer: Mew version 5.1.52 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1003 Lines: 21 From: Ingo Molnar Date: Thu, 22 Feb 2007 16:15:09 +0100 > furthermore, in a real webserver there's a whole lot of other stuff > happening too: VFS blocking, mutex/lock blocking, memory pressure > blocking, filesystem blocking, etc., etc. Threadlets/syslets cover them > /all/ and never hold up the primary context: as long as there's more > requests to process, they will be processed. Plus other important > networked workloads, like fileservers are typically on fast LANs and > those requests are very much a fire-and-forget matter most of the time. I expect clients of a fileserver to cause the server to block in places such as tcp_sendmsg() as much if not more so than a webserver :-) But yes, it should all be tested, for sure. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/