From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 31 May 2001 19:03:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 31 May 2001 19:03:38 -0400 Received: from ladakh.smo.av.com ([209.73.174.140]:59911 "EHLO smo.av.com") by vger.kernel.org with ESMTP id ; Thu, 31 May 2001 19:03:31 -0400 Message-ID: <3B16CCE9.64597F2E@av.com> Date: Thu, 31 May 2001 15:59:53 -0700 From: Christopher Zimmerman X-Mailer: Mozilla 4.77 [en] (X11; U; Linux 2.4.5-xfs i686) X-Accept-Language: en MIME-Version: 1.0 To: "Trever L. Adams" , linux-kernel@vger.kernel.org Subject: Re: 2.4.5 VM In-Reply-To: <3B16C9A8.7090402@digitalme.com> 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 "Trever L. Adams" wrote: > In my opinion 2.4.x is NOT ready for primetime. The VM has been getting > worse since 2.4.0, I believe. Definitely since and including 2.4.3. I > cannot even edit a few images in gimp where the entire working set used > to fit entirely in memory. The system now locks in some loop (SAK still > works). > > FILE CACHING IS BROKEN. I don't care who says what, by the time swap is > half filled, it is time to start throwing away simple caches. Not wait > until there is no more memory free and then lock in an infinite loop. > > My system has 128 Meg of Swap and RAM. > > Trever Adams > > - > 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/ I've found that with the latest kernel release (2.4.5) VM performance has been greatly improved. kswapd and bdflush no longer use 200% of my cpu cycles when simply doing a dd bs=1024 count=8388608 if=/dev/zero of=test.file. All of my test systems remain responsive with about 180% cpu available. These systems are running software RAID and 3ware IDE raid with 2GB of memory and 4GB swap. Have you tried 2.4.5? -zim Christopher Zimmerman AltaVista Company