From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Sanders Subject: Re: Btrfs switches to using mostly one thread Date: Fri, 09 Dec 2011 12:20:52 +0000 Message-ID: <4EE1FD24.5090700@jeremysanders.net> References: <4EE1FBE5.2090602@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linux-btrfs@vger.kernel.org To: Arne Jansen Return-path: In-Reply-To: <4EE1FBE5.2090602@gmx.net> List-ID: On 09/12/11 12:15, Arne Jansen wrote: > On 08.12.2011 16:19, Jeremy Sanders wrote: >> Hi - I'm trying out btrfs again, and I see the same old bug in kernel 3.1.4 >> (Fedora 16, x86_64, dual-core), where after a few hours of writing, it >> switches from writing with several threads to writing with one: > > How many disks does the fs have? One - it's writing onto a "linear" MD array (for testing purposes). I disabled duplication of metadata as well, and zlib compression is forced. Jeremy