On Wed, Jun 06, 2007 at 10:36:25AM +0930, Admin wrote: > On Wed, 6 Jun 2007 03:07:37 am Nicolas Cadou wrote: > > Le Tuesday 5 June 2007 06:52, Tony Lewis a écrit : > > > Nicolas Cadou wrote: > > > > Le Sunday 3 June 2007 02:15, Tony Lewis a écrit : > > > >> My context is this: one vserver runs a popular web site, and on > > > >> another one, occasionally I shift multi-gig files around, with cp. > > > >> When I'm doing that, the website vserver grinds to a halt - well, > > > >> responds to requests quite slowly anyway. > > > > > > > > Instead of cp I use rsync --bwlimit=7000, which throttles I/O to a bit > > > > less than 7MB/s. Works for local disk-to-disk copying, and works quite > > > > well. > > > > > > There's always a workaround, but that's the same as renice'ing processes > > > on one vserver to be cognisant of the needs of another vserver. It's > > > what the CPU limiting handles, so vservers can be more autonomous. > > > > I never came to try it, but this might help: > > > > http://linux-vserver.org/Frequently_Asked_Questions#Disk_I.2FO_limiting.3F_ > >Is_that_possible.3F > > A while back I made some patches for util-vserver and a vserver-patched > kernel > which implemented ionice support > > http://www.users.on.net/~anonc/.patches/vserver/ > > the readme.txt file has details on requirements and usage > > it should be simple to adapt these to the latest releases.
maybe it would make sense to put guests (by default or via option) into the idle class on a Linux-VServer system/kernel? best, Herbert > _______________________________________________ > Vserver mailing list > Vserver@list.linux-vserver.org > http://list.linux-vserver.org/mailman/listinfo/vserver _______________________________________________ Vserver mailing list Vserver@list.linux-vserver.org http://list.linux-vserver.org/mailman/listinfo/vserver
