Re: [ANNOUNCE] Native Linux KVM tool v2

From: Pekka Enberg
Date: Thu Jun 16 2011 - 01:45:11 EST

On Thu, Jun 16, 2011 at 1:07 AM, Alexander Graf <agraf@xxxxxxx> wrote:
>> qemu-system-x86_64 -drive file=/dev/shm/test.qcow2,cache=writeback,if=virtio
> Wouldn't this still be using threaded AIO mode? I thought KVM tools used native AIO?

We don't use AIO at all. It's just normal read()/write() with a thread
pool. I actually looked at AIO but didn't really see why we'd want to
use it.
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