Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751802AbaBHN6l (ORCPT ); Sat, 8 Feb 2014 08:58:41 -0500 Received: from infra.glanzmann.de ([88.198.249.254]:60765 "EHLO infra.glanzmann.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751617AbaBHN6k (ORCPT ); Sat, 8 Feb 2014 08:58:40 -0500 Date: Sat, 8 Feb 2014 14:58:38 +0100 From: Thomas Glanzmann To: Eric Dumazet Cc: John Ogness , Eric Dumazet , "David S. Miller" , "Nicholas A. Bellinger" , target-devel , Linux Network Development , LKML Subject: Re: REGRESSION f54b311142a92ea2e42598e347b84e1655caf8e3 tcp auto corking slows down iSCSI file system creation by factor of 70 [WAS: 4 TB VMFS creation takes 15 minutes vs 26 seconds] Message-ID: <20140208135838.GC20512@glanzmann.de> Mail-Followup-To: Eric Dumazet , John Ogness , Eric Dumazet , "David S. Miller" , "Nicholas A. Bellinger" , target-devel , Linux Network Development , LKML References: <20140206153640.GB4103@glanzmann.de> <1391727771.14985.41.camel@haakon3.risingtidesystems.com> <20140207051500.GB10916@glanzmann.de> <20140207075536.GB17815@glanzmann.de> <1391801597.1155.28.camel@haakon3.risingtidesystems.com> <20140207205142.GA8609@glanzmann.de> <20140208093808.GD16336@glanzmann.de> <1391865273.10160.76.camel@edumazet-glaptop2.roam.corp.google.com> <20140208133744.GA20512@glanzmann.de> <1391867614.10160.89.camel@edumazet-glaptop2.roam.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1391867614.10160.89.camel@edumazet-glaptop2.roam.corp.google.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Eric, > What is your NIC model and driver? I have four Intel Corporation I350 Gigabit Network Connection (rev 01). (node-62) [~/work/linux-2.6] lspci -v | pbot http://pbot.rmdir.de/rgu6yHMBDVQpflMmbcJACg (node-62) [~/work/linux-2.6] ip a s | pbot http://pbot.rmdir.de/xJjRT8u-ekC6mrWgl09ZtQ (node-62) [~/work/linux-2.6] dmesg | pbot http://pbot.rmdir.de/MigrSPtxGmp0fI1CRgXsHw I do 802.3ad link aggregation layer 2 hash with two network cards to one switch. I'm running: Linux node-62 3.14.0-rc1+ #23 SMP Sat Feb 8 14:27:47 CET 2014 x86_64 GNU/Linux Driver: igb If you need remote access to the machine let me know. Cheers, Thomas -- 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/