[Libguestfs] performance between guestfish and qemu-nbd

[lampahome]

2017-07-27 20:18 GMT+08:00 Richard W.M. Jones <rjones at redhat.com>:

> On Thu, Jul 27, 2017 at 06:34:13PM +0800, lampahome wrote:
> > I can mount qcow2 img to nbd devices through guestfish or qemu-nbd
> >
> > I'm curious about which performance is better?
>
> They do quite different things, they're not comparable.
>
> Can you specifically give the commands you are trying?  We might be
> able to give more sensible advice.
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~
> rjones
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guestfish:
guestfish --rw -a demo.qcow2 -m /dev/nbd0

qemu-nbd:
qemu-nbd -c /devnbd0 demo.qcow2

I just want to mount demo.qcow2 to a device
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