[libvirt] [PATCHv2] Enable tuning of qemu network tap device sndbuf size

2011-01-14 Thread Laine Stump
This is in response to a request in: https://bugzilla.redhat.com/show_bug.cgi?id=665293 In short, under heavy load, it's possible for qemu's networking to lock up due to the tap device's default 1MB sndbuf being inadequate. adding sndbuf=0 to the qemu commandline -netdevice option will

Re: [libvirt] [PATCHv2] Enable tuning of qemu network tap device sndbuf size

2011-01-14 Thread Eric Blake
On 01/14/2011 10:35 AM, Laine Stump wrote: The sndbuf value is put inside a tune element of each interface in the domain. The intent is that further tunable settings will also be placed inside this element. interface type='network' ... tune sndbuf0/sndbuf