From owner-freebsd-stable@FreeBSD.ORG Thu Apr 3 11:43:36 2008 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 5D413106566B for ; Thu, 3 Apr 2008 11:43:36 +0000 (UTC) (envelope-from freebsd-stable@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.freebsd.org (Postfix) with ESMTP id 13AD78FC16 for ; Thu, 3 Apr 2008 11:43:35 +0000 (UTC) (envelope-from freebsd-stable@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1JhNqr-0006gO-1g for freebsd-stable@freebsd.org; Thu, 03 Apr 2008 11:43:29 +0000 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 03 Apr 2008 11:43:29 +0000 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 03 Apr 2008 11:43:29 +0000 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-stable@freebsd.org From: Ivan Voras Date: Thu, 03 Apr 2008 13:43:14 +0200 Lines: 62 Message-ID: References: <16447331.post@talk.nabble.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig2266955316386F493D025CC2" X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Thunderbird 2.0.0.6 (X11/20071022) In-Reply-To: <16447331.post@talk.nabble.com> X-Enigmail-Version: 0.95.0 Sender: news Subject: Re: ZFS & Bittorent -> Hang? 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: Thu, 03 Apr 2008 11:43:36 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig2266955316386F493D025CC2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable jbsnyder wrote: > Hi - >=20 > I'm not yet filing a PR on this since I'm wondering if anyone else has > experienced this issue. I've got ZFS running on a raid-z with 4 disks,= > C2Duo 2.33 Ghz, 64-bit FreeBSD 7 release, 4GB RAM. For the most part t= his > has been working perfectly, but I recently I tried using transmission-d= aemon > (a bittorrent client/daemon) to download a few things and noticed that = if it > runs for an extended period of time, a lot of processes are waiting on = zfs > and just hang. If I'm not logged in while this is happens, SSH access > hangs. Also, if I manage to be logged in, AFP access to the volume, an= d > some heavier disk access items (like building from ports at stages of > unzipping archives and checksumming) seem to hang as well. >=20 > I've not done extensive testing, but the same behavior has been exhibit= ed > both times I've tried it. The interesting thing is that the transmissi= on > seems to keep on chugging, and does finish downloading eventually, it's= just > that everything else doesn't get a chance at getting some IO, even if I= kill > the transmission-daemon. >=20 > I've done the recommended tweaks on the freebsd wiki for AMD64 machines= , and > I'm running ULE. Otherwise things are pretty standard. >=20 > I'll file a more detailed PR with some additional testing if nobody els= e has > encountered this and/or has a workaround. http://wiki.freebsd.org/ZFSKnownProblems This looks like #1. --------------enig2266955316386F493D025CC2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFH9MLTldnAQVacBcgRAondAKCSXswSZV/QMcR8/2v4+APY+pudMgCgwhiy d4Thf+oYM0cIZkEcukP5fxI= =batQ -----END PGP SIGNATURE----- --------------enig2266955316386F493D025CC2--