Re: [libvirt-users] Windows Guest I/O performance issues (already using virtio) (Matt Schumacher)

2018-08-08 Thread Allence
000 >From: Matt Schumacher >To: "libvirt-users@redhat.com" >Subject: [libvirt-users] Windows Guest I/O performance issues (already > using virtio) >Message-ID: <30ee4896-cf82-4e23-82d5-0c56b38f5...@aptalaska.com> >Content-Type: text/plain; charset="utf

Re: [libvirt-users] Windows Guest I/O performance issues (already using virtio)

2018-08-08 Thread Gionatan Danti
Il 08-08-2018 19:35 Matt Schumacher ha scritto: I’m using ZVOLs to back the VM, and I’m using 4k block sizes, which seems to offer the best 4k random read/write performance (mail and database workloads), but maybe I’m missing something at this layer too. For the ZFS part: try increasing your vo

[libvirt-users] Windows Guest I/O performance issues (already using virtio)

2018-08-08 Thread Matt Schumacher
List, I have a number of Windows 2016 servers I am deploying, but I’m having some I/O performance issues. I have done all of the obvious things like virtio drivers, but am finding there is more performance to be found with hyper-v extensions, how we virtualize the hardware clock, and iothreads