From owner-freebsd-stable@FreeBSD.ORG Tue May 19 20:31:13 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 68DA01065675 for ; Tue, 19 May 2009 20:31:13 +0000 (UTC) (envelope-from petefrench@ticketswitch.com) Received: from constantine.ticketswitch.com (constantine.ticketswitch.com [IPv6:2002:57e0:1d4e:1::3]) by mx1.freebsd.org (Postfix) with ESMTP id 2E9578FC1B for ; Tue, 19 May 2009 20:31:13 +0000 (UTC) (envelope-from petefrench@ticketswitch.com) Received: from dilbert.rattatosk ([10.64.50.6] helo=dilbert.ticketswitch.com) by constantine.ticketswitch.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1M6Vxt-000EXw-Ry; Tue, 19 May 2009 21:31:09 +0100 Received: from petefrench by dilbert.ticketswitch.com with local (Exim 4.69 (FreeBSD)) (envelope-from ) id 1M6Vxt-0008S5-QJ; Tue, 19 May 2009 21:31:09 +0100 To: dimitry@andric.com, kip.macy@gmail.com In-Reply-To: <3c1674c90905191300y32710c9bnaa2001ad345d3b2a@mail.gmail.com> Message-Id: From: Pete French Date: Tue, 19 May 2009 21:31:09 +0100 Cc: freebsd-stable@freebsd.org, marck@rinet.ru Subject: Re: RFT: ZFS MFC X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 May 2009 20:31:13 -0000 > Many people are happily running an old pool with the new code. I have > done that in a VM and run load over it just to be certain. The tuning > still applies to i386. On amd64 vm backpressure works, but may > actually be too aggressive - shrinking the ARC in favor of the > inactive pages queue. I haven't had any i386 code around for a long while, so I will just try it "as-is". Just need to fin ish moving tghe machine up to todays -STABLE before applying the patchset (which involved hand fixing bce). Then, all being well I shall "(the_winds)caution" to coin an old C joke, and run this up on one of our production DNS servers to see how it goes. cheers, -pete.