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Re: [Samba] samba 4.x slow ...

On Thu, Nov 02, 2017 at 06:57:21PM +0100, awl1 via samba wrote:
> Hello,
> is your scenario possibly using Windows SMB2 clients and a
> large/huge number of small files per directory? If so, please have a
> look here and see whether my issue might apply for you as well:
> https://lists.samba.org/archive/samba-technical/2017-October/123611.html
> Hope this helps & best regards
> Andreas
> Am 02.11.2017 um 14:05 schrieb Dr. Peer-Joachim Koch via samba:
> >Hi,
> >
> >we are running samba 4.4 on two machines as file servers.
> >Both are running a GFS (stornext). The storage is attached using 8G HBA.
> >You can get up to 800MB/s local speed. We are exporting the shares
> >using 2x1GB
> >and 2x10G. However the clients are only getting 40-50MB/s. With
> >samba3 I think we had up to 80-90MB/s.
> >Using a 100MB/s link for the client we see 12-13MB/s (wire speed).
> >Using NFS (3) we see up to 120MB/s (GB). How can we improve the speed ?
> >How can we find the bottle neck ? (I tested already various samba
> >versions (4.4{5,6}) without
> >any success.

Doesn't sound like a copy issue, more a raw read/write one.

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