From owner-freebsd-fs@FreeBSD.ORG Mon Oct 3 18:36:52 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 E3498106564A; Mon, 3 Oct 2011 18:36:52 +0000 (UTC) (envelope-from bra@fsn.hu) Received: from people.fsn.hu (people.fsn.hu [195.228.252.137]) by mx1.freebsd.org (Postfix) with ESMTP id 333378FC0A; Mon, 3 Oct 2011 18:36:51 +0000 (UTC) Received: by people.fsn.hu (Postfix, from userid 1001) id DBD91A8E5C7; Mon, 3 Oct 2011 20:36:50 +0200 (CEST) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MF-ACE0E1EA [pR: 14.4434] X-CRM114-CacheID: sfid-20111003_20365_36106619 X-CRM114-Status: Good ( pR: 14.4434 ) X-DSPAM-Result: Whitelisted X-DSPAM-Processed: Mon Oct 3 20:36:50 2011 X-DSPAM-Confidence: 0.9960 X-DSPAM-Probability: 0.0000 X-DSPAM-Signature: 4e8a00c2599153750912134 X-DSPAM-Factors: 27, From*Attila Nagy , 0.00010, FreeBSD, 0.00054, FreeBSD, 0.00054, >+On, 0.00099, >+Hi, 0.00171, wrote+>, 0.00179, bug, 0.00198, wrote+>>, 0.00267, >+>, 0.00288, >+>, 0.00288, References*mail.gmail.com>, 0.00295, References*mail.gmail.com>, 0.00295, not+>, 0.00383, >>+>>, 0.00409, root, 0.00454, wrote, 0.00495, wrote, 0.00495, STABLE, 0.00556, STABLE, 0.00556, /tmp, 0.00612, /tmp, 0.00612, FreeBSD+8, 0.00612, Filesystem, 0.00679, Capacity+Mounted, 0.00679, Capacity, 0.00679, Avail+Capacity, 0.00679, X-Spambayes-Classification: ham; 0.00 Received: from [192.168.3.2] (japan.t-online.co.hu [195.228.243.99]) by people.fsn.hu (Postfix) with ESMTPSA id 4FAFCA8E5AC; Mon, 3 Oct 2011 20:36:49 +0200 (CEST) Message-ID: <4E8A00BF.5000508@fsn.hu> Date: Mon, 03 Oct 2011 20:36:47 +0200 From: Attila Nagy User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.23) Gecko/20090817 Thunderbird/2.0.0.23 Mnenhy/0.7.6.0 MIME-Version: 1.0 To: d@delphij.net References: <20111002020231.GA70864@icarus.home.lan> <4E899C8E.7040305@fsn.hu> <4E89ED58.6020104@delphij.net> In-Reply-To: <4E89ED58.6020104@delphij.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Adrian Chadd , freebsd-fs@freebsd.org, delphij@freebsd.org, Xin LI Subject: Re: is TMPFS still highly experimental? 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: Mon, 03 Oct 2011 18:36:53 -0000 On 10/03/2011 07:14 PM, Xin LI wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Hi, Attila, > > On 10/03/11 04:29, Attila Nagy wrote: >> For me, the bug is still here: $ uname -a FreeBSD b 8.2-STABLE >> FreeBSD 8.2-STABLE #5: Wed Sep 14 15:01:25 CEST 2011 >> root@buildervm:/data/usr/obj/data/usr/src/sys/BOOTCLNT amd64 $ df >> -h /tmp Filesystem Size Used Avail Capacity Mounted on >> tmpfs 0B 0B 0B 100% /tmp >> >> I have no swap configured. The machine has 64 GB RAM. >> vm.kmem_size=60G; vfs.zfs.arc_max=55G; vfs.zfs.arc_min=20G > This sounds like a configuration issue. Running without swap is not > recommended anyways. I guess it depends on the workload. In general, you are possibly right, but if you need predictable response times and you can tolerate dying processes, swapping may not be the right thing to do.