On Mon, Sep 3, 2012 at 2:14 PM, Fernando Frediani (Qube)
<[email protected]> wrote:
> Hi Bharata
> Thanks for this, very useful.
>
> Would you be able to specify tests with mainly reads and writes. As far as I 
> know there is a big hit and poor performance on writes in normal fuse mounts.

Ok, here are the aggregated bandwidth numbers from a quick FIO (4 seq
writes using libaio) write test:

Base: 189667KB/s
QEMU-GlusterFS native: 150635KB/s
QEMU-GlusterFS FUSE: 43028KB/s

So as you can see, native is much better than FUSE, but still doesn't
match the base numbers. When I say base, it means that the guest is
run directly from glusterfs brick (w/o gluster FUSE mount or using
QEMU-GlusterFS native driver).

> Are you using IOmeter or bonnie ?

FIO at the moment. Plan to include more benchmark numbers in future.
Any help here would be appreciated :)

>
> Seems the results with fuse and the native qemu-glusterfs are pretty similar, 
> am I right ?

No, QEMU-GlusterFS native numbers are way better than FUSE. Let me
quote the numbers from the URL I gave earlier:

Base: 63076KB/s
QEMU-GlusterFS native: 53609KB/s
QEMU-GlusterFS FUSE: 29392KB/s

Regards,
Bharata.
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