From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Long Subject: Re: btrfs_tree_lock & trylock Date: Tue, 9 Sep 2008 00:28:01 +0100 Message-ID: <200809090028.01980.slong@rathaus.eclipse.co.uk> References: <20080908135414.GG26079@one.firstfloor.org> <20080908171742.GB19117@infradead.org> <48C5619E.9010505@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <48C5619E.9010505@gmail.com> List-ID: On Monday 08 September 2008 18:32:14 Ric Wheeler wrote: > Christoph Hellwig wrote: > > On Mon, Sep 08, 2008 at 09:49:42AM -0700, Stephen Hemminger wrote: > >> Not to mention the problem that developers seem to have faster machines > >> than average user, but slower than the enterprise and future generation > >> CPU's. So any tuning value seems to get out of date fast. > > > > So where do my fellow developers get these fast systems from? :) > > Actually, my experience is that most linux file system developers have > really poking, aged hardware with little to no cutting edge storage (or > even cutting edge commercial class storage). Testing file systems on lap > tops and desktops with old CPUs, no DRAM and 40GB drives does not even > reflect a typical home user these days :-) > Yeah but it means they really notice when the algorithm has been improved. It's character-building, or summat. ;-)