From owner-freebsd-fs@FreeBSD.ORG Tue Sep 6 16:46:46 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F334E106566B for ; Tue, 6 Sep 2011 16:46:46 +0000 (UTC) (envelope-from brodbd@uw.edu) Received: from mail-ew0-f54.google.com (mail-ew0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id 8D75C8FC15 for ; Tue, 6 Sep 2011 16:46:46 +0000 (UTC) Received: by ewy1 with SMTP id 1so3421774ewy.13 for ; Tue, 06 Sep 2011 09:46:45 -0700 (PDT) MIME-Version: 1.0 Received: by 10.213.14.18 with SMTP id e18mr1432593eba.47.1315327605118; Tue, 06 Sep 2011 09:46:45 -0700 (PDT) Received: by 10.213.26.75 with HTTP; Tue, 6 Sep 2011 09:46:45 -0700 (PDT) In-Reply-To: <20110905091616.GD1662@garage.freebsd.pl> References: <20110905091616.GD1662@garage.freebsd.pl> Date: Tue, 6 Sep 2011 09:46:45 -0700 Message-ID: From: David Brodbeck To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: ZFSv28+NFSv4 poor file creation performance, "sync=disabled" has no effect X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Sep 2011 16:46:47 -0000 On Mon, Sep 5, 2011 at 2:16 AM, Pawel Jakub Dawidek wrote: > It would be good if you could try your test on FreeBSD directly. This > way we could see if ZFS is to blame or NFS. > I'd be happy to try that if you know of a benchmarking utility that does synchronous writes. Local benchmarking unfortunately doesn't show the problem because bonnie++ doesn't sync after write. -- David Brodbeck System Administrator, Linguistics University of Washington