[Samba] samba 4.x slow ...

[Jeremy Allison]

On Mon, Nov 06, 2017 at 09:35:06AM +0100, Dr. Peer-Joachim Koch via samba wrote:
> Setup:  Server 2x10GB NIC, client 1x1GB:
> 
> Using smbclient with -mSMB3 I get an average of 52000 KiloBytes/sec (before
> 45000),
> 
> using NFS (v3) from the same server I get  108000 KiloBytes/sec an more
> (mount ; cp; umount; ...)

So I don't think it's the client. The smbclient code is very efficient,
pipelining reads and writes. Is the server using async io ?