From owner-freebsd-fs@freebsd.org Wed Apr 4 19:36:52 2018 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F1DB5F70296 for ; Wed, 4 Apr 2018 19:36:51 +0000 (UTC) (envelope-from mad@madpilot.net) Received: from mail.madpilot.net (grunt.madpilot.net [78.47.145.38]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 90B6A6F9E3 for ; Wed, 4 Apr 2018 19:36:51 +0000 (UTC) (envelope-from mad@madpilot.net) Received: from mail (mail [192.168.254.3]) by mail.madpilot.net (Postfix) with ESMTP id 40GbnG20bgzZr4; Wed, 4 Apr 2018 21:36:50 +0200 (CEST) Received: from mail.madpilot.net ([192.168.254.3]) by mail (mail.madpilot.net [192.168.254.3]) (amavisd-new, port 10024) with ESMTP id 8ubAZ9kOivi3; Wed, 4 Apr 2018 21:36:39 +0200 (CEST) Received: from tommy.madpilot.net (host190-122-dynamic.6-87-r.retail.telecomitalia.it [87.6.122.190]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.madpilot.net (Postfix) with ESMTPSA; Wed, 4 Apr 2018 21:36:39 +0200 (CEST) Subject: Re: Linux NFS client and FreeBSD server strangeness To: Mike Tancsa , "freebsd-fs@freebsd.org" References: <369fab06-6213-ba87-cc66-c9829e8a76a0@sentex.net> <2019ee5a-5b2b-853d-98c5-a365940d93b5@madpilot.net> From: Guido Falsi Message-ID: Date: Wed, 4 Apr 2018 21:36:38 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Apr 2018 19:36:52 -0000 On 04/04/18 21:24, Mike Tancsa wrote: > On 4/4/2018 3:04 PM, Guido Falsi wrote: >> >> https://wiki.freebsd.org/ZFSTuningGuide >> >> in the NFS tuning section. >> >> >> If you're not using ZFS I don't have an idea right away what your >> problem could be. > > Thanks, same sort of bursty traffic patterns with a ufs filesystem. I > just tried with a spare disk I made into a UFS2 partition and exported > it to the linux client. > > Also no difference if I disable sync for the underlying file system when > using zfs. Well, my suggestion was worth a spin. I've never used NFS on linux much so I can't help much more. -- Guido Falsi