On Mon, Apr 04, 2005 at 10:54:48AM +0200, Arjan van de Ven wrote: > On Mon, 2005-04-04 at 04:42 -0400, Alan Cox wrote: > > On Sun, Apr 03, 2005 at 09:05:37PM -0400, Richard Hally wrote: > > > are you saying that Fedora is unsuitable for ordinary desktops and (by > > > extension laptops) unless they have scsi? > > > > I think some people would prefer to say that "PC's are unsuitable for use > > without real disks" 8) > > > > In this case the fact that it is I/O not CPU means the requirements to quieten > > such an app are really not handled by nice(2) > > also note that the cfq io scheduler makes updatedb and friends a lot > more bareable. CFQ is default in our kernel, but not in kernel.org > kernels, so if the "2.6 is bad with updatedb" notion is based on > kernel.org kernels then I strongly suggest switching those to CFQ. This broke a while back when I rebased, and I forgot to fix it up until last weekend. The next build has it fixed again. > Also note that both upstream and our kernels are currently missing the > "fix" for updatedb eating your VM that was present in earlier fedora > kernels: > > http://people.redhat.com/arjanv/linux-2.6.5-inode-clip.patch I think you already know my opinion on this patch judging by the quotes on your "fix" :) I imagine upstream probably wouldn't be too keen on it either. I'm not clear on what the right fix is however. OTOH, posting a horrible patch sometimes has the nice effect of getting those who know this stuff intimately working on fixing the problem properly :) Dave