Re: CephFS and Samba hang on copy of large file

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> Op 15 augustus 2016 om 15:43 schreef Ira Cooper <ira@xxxxxxxxxxx>:
> 
> 
> On Mon, Aug 15, 2016 at 9:35 AM, Wido den Hollander <wido@xxxxxxxx> wrote:
> >
> >> Op 15 augustus 2016 om 15:27 schreef Ira Cooper <ira@xxxxxxxxxxx>:
> >>
> >>
> >> Have you tried the ceph VFS module in Samba yet?
> >>
> >
> > Yes. That works, but the performance is a lot lower. So for that we are testing/using the CephFS kernel client.
> >
> > I would also like to see the VFS module upstream in Samba, you still need to manually patch it in.
> 
> It is in upstream Samba.
> 
> https://git.samba.org/?p=samba.git;a=blob;f=source3/modules/vfs_ceph.c;h=59e9b9cf9b3e8e5313a20823994fcacf9e4b4168;hb=f1b42ec778e08875e076df7fdf67dd69bf9b2757
> 
> It's been there a while now.
> 
> I'm curious what you are patching in, and what the performance numbers are. :)

No, sorry for that confusion. I meant DEB and/or RPM packages. You have to compile manually which not all companies like.

With the kernel client we see about 200MB/sec and with VFS about 50MB/sec.

However, I still wonder why samba went in status D. That should not happen.

Wido

> 
> Thanks,
> 
> -Ira
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