Re: limiting guest block i/o for qos

2010-11-29 Thread T Johnson
On Mon, Nov 29, 2010 at 4:58 AM, Stefan Hajnoczi wrote: > On Mon, Nov 29, 2010 at 2:00 AM, T Johnson wrote: >> Hello, >> >> On Thu, Nov 25, 2010 at 3:33 AM, Nikola Ciprich >> wrote: >>> Hello Thomas, >>> I t hink blkio-cgroup really can't help You here, but since NFS is >>> network protocol, >>

Re: limiting guest block i/o for qos

2010-11-29 Thread Stefan Hajnoczi
On Mon, Nov 29, 2010 at 2:00 AM, T Johnson wrote: > Hello, > > On Thu, Nov 25, 2010 at 3:33 AM, Nikola Ciprich > wrote: >> 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. > > I t

Re: limiting guest block i/o for qos

2010-11-28 Thread T Johnson
Hello, On Thu, Nov 25, 2010 at 3:33 AM, Nikola Ciprich wrote: > 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. I thought about this, but it's rather imprecise I imagine if I try to

Re: limiting guest block i/o for qos

2010-11-25 Thread Nikola Ciprich
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 > gue

limiting guest block i/o for qos

2010-11-24 Thread T Johnson
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 o