On Jan 9, 2014, at 3:16 AM, Markus Stockhausen stockhau...@collogia.de wrote:
We see a quite a heavy latency penalty using KVM VirtIO disks in comparison
to ESX. Doing one I/O onto disk inside a VM usually adds 370us of overhead in
the virtualisation layer. This has been tested with
On Thu, Jan 9, 2014 at 10:16 AM, Markus Stockhausen
stockhau...@collogia.de wrote:
...
- access NFS inside the hypervisor - 12.000 I/Os per second - or 83us latency
- access DISK inside ESX VM that resides on NFS - 8000 I/Os per second - or
125us latency
- access DISK inside OVirt VM that
Von: sander.grendel...@gmail.com
Gesendet: Donnerstag, 9. Januar 2014 10:32
An: Markus Stockhausen
Cc: users@ovirt.org
Betreff: Re: [Users] VirtIO disk latency
On Thu, Jan 9, 2014 at 10:16 AM, Markus Stockhausen
stockhau...@collogia.de wrote:
...
- access NFS inside the hypervisor
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