Hello Thomas, I t hink blkio-cgroup really can't help You here, but since NFS is network protocol, why not just consider some kind of network shaping? n. On Thu, Nov 25, 2010 at 12:58:22AM -0500, T Johnson wrote: > Hello, > > Does anyone know of any work in progress or any tricks to limit a > guest's i/o requests to a specific throttled rate? I have guests that > mount their filesystems via virtio, which are images served on an NFS > server. Some of these guests will flood the server with requests and > can then choke out the i/o requests of neighboring guests. I'd rather > be able to specify that certain guests can only get so many read or > write iops. i/o bandwidth rates would be nice, but iops tend to be the > killer since an nfs server only has so many. > > I've seen something recently on a block i/o throttling via cgroups, > but from what I've been able to grok... this support is being built > only with local devices in mind? I'm afraid that wouldn't work for my > NFS server setup and image files? > > Is there something that can be done from with virtio? Or another trick? > > Thanks, > Thomas > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@xxxxxxxxxxx ------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
