From owner-freebsd-current@FreeBSD.ORG Mon Sep 10 20:00:02 2007 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 64F9916A418 for ; Mon, 10 Sep 2007 20:00:02 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id E006113C480 for ; Mon, 10 Sep 2007 20:00:00 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 2C86245E97; Mon, 10 Sep 2007 21:59:59 +0200 (CEST) Received: from localhost (154.81.datacomsa.pl [195.34.81.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 0E37B45EA4 for ; Mon, 10 Sep 2007 21:59:52 +0200 (CEST) Date: Mon, 10 Sep 2007 21:58:33 +0200 From: Pawel Jakub Dawidek To: current@freebsd.org Message-ID: <20070910195833.GE1103@garage.freebsd.pl> References: <20070906184853.GB90021@roadrunner.spoerlein.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XRI2XbIfl/05pQwm" Content-Disposition: inline In-Reply-To: <20070906184853.GB90021@roadrunner.spoerlein.net> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: Subject: Re: ZFS not caching right? 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: Mon, 10 Sep 2007 20:00:02 -0000 --XRI2XbIfl/05pQwm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 06, 2007 at 08:48:53PM +0200, Ulrich Spoerlein wrote: > Hi, it's me again with another stupid question, >=20 > ever since I switched my /usr and /home to ZFS, the system has become > _very_ unresponsive under load. This is not because of CPU load, but I/O > load. Can you try recent HEAD? I committed a change that allows ZFS cache (ARC) to use more memory. This should be safe after dfr@'s vnode leak fix and should also help performance. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --XRI2XbIfl/05pQwm Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFG5aHpForvXbEpPzQRAmwbAKDVpJXSlIdcQ0MrI1GZZ3HLWXwZiwCgxTXH MEueDjTFnmRTD88MkAYiU9M= =6pts -----END PGP SIGNATURE----- --XRI2XbIfl/05pQwm--