From owner-freebsd-current@FreeBSD.ORG Tue Apr 17 07:58:50 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C72C716A402 for ; Tue, 17 Apr 2007 07:58:50 +0000 (UTC) (envelope-from garyj@jennejohn.org) Received: from mail08a.verio.de (mail08a.verio.de [213.198.55.73]) by mx1.freebsd.org (Postfix) with SMTP id 2CE0313C4BE for ; Tue, 17 Apr 2007 07:58:50 +0000 (UTC) (envelope-from garyj@jennejohn.org) Received: from mx64.stngva01.us.mxservers.net (204.202.242.134) by mail08a.verio.de (RS ver 1.0.95vs) with SMTP id 2-0116796727 for ; Tue, 17 Apr 2007 09:58:48 +0200 (CEST) Received: from mmm808.verio.de [213.198.55.120] (EHLO mmm808.verio.de) by mx64.stngva01.us.mxservers.net (mxl_mta-1.3.8-10p4) with ESMTP id 09a74264.24448.086.mx64.stngva01.us.mxservers.net; Tue, 17 Apr 2007 03:43:12 -0400 (EDT) Received: (qmail 94414 invoked from network); 17 Apr 2007 07:58:46 -0000 Received: from unknown (HELO peedub.jennejohn.org) (89.59.18.30) by with SMTP; 17 Apr 2007 07:58:46 -0000 Received: from jennejohn.org (localhost [127.0.0.1]) by peedub.jennejohn.org (8.14.1/8.14.1) with ESMTP id l3H7wjUQ002114; Tue, 17 Apr 2007 09:58:45 +0200 (CEST) (envelope-from garyj@jennejohn.org) Message-Id: <200704170758.l3H7wjUQ002114@peedub.jennejohn.org> X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.0.4 To: Thomas Sparrevohn In-Reply-To: Message from Thomas Sparrevohn of "Mon, 16 Apr 2007 20:21:51 BST." <200704162021.51678.Thomas.Sparrevohn@btinternet.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 17 Apr 2007 09:58:45 +0200 From: Gary Jennejohn X-Spam: [F=0.5113100245; heur=0.500(-19800); stat=0.501; spamtraq-heur=0.510(2007022501)] X-MAIL-FROM: X-SOURCE-IP: [213.198.55.120] X-SF-Loop: 1 Cc: freebsd-current@freebsd.org Subject: Re: Some comments on ZFS X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 17 Apr 2007 07:58:50 -0000 Thomas Sparrevohn writes: > On Monday 16 April 2007 20:05:55 Joerg t wrote: > > > > > I'm also seeing a very odd behavior regarding memory consumption, > > with src and obj under zfs (different filesystems, same pool, compression > > off) the system begin to wire all memory and swap tops 1GB. Maybe there's > > something trashing memory on zfs ? > > > > There is something weird - Just ran same test again to see whether it > was a fluke - it still take 1h12 - however I saw the oppersite of Joerg. > The "systat -vm" Freemem was permently on 2,2GB - this on a 4GB > system that normally shows a 1,2GB - or less after a buildworld. > > hmm. Pawel are there tests that can help? > After switching from SCHED_ULE to SCHED_4BSD my ``make -j2 buildworld'' completes in about 19 minutes. This is pretty much the same as before the switch to ZFS. I have lots of stuff turned off in make.conf so YMMV. --- Gary Jennejohn / garyjATjennejohnDOTorg gjATfreebsdDOTorg garyjATdenxDOTde