[Samba] samba 4.x slow ...
Dr. Peer-Joachim Koch
pkoch at bgc-jena.mpg.de
Fri Nov 3 12:54:10 UTC 2017
Hi Micha,
no, I have to this. I'm normally just check what smbstatus shows:
33837 BGC\pkoch users XXX (ipv4:XXX:51118) SMB2_10
Bye the way - 45 MB/s is not so bad, I just wanted to know if it's
possible to get 90MB/s or at 10G a little bit more.
What has been messaured ?
I used on a new HPC node (10G) smbclient to test the transfer speed and
get (10G<->10G) 199MB (mtu 1500).
33692 pkoch users 10.0.3.100 (ipv4:10.0.3.100:54821)
NT1
Using smbclient (using NT1) we see the following values:
Cl Server (using get)
10GB <-> 10GB 199MB/s
10GB <-> 2x1GB 162MB/s (??? )
1GB <-> 2x1GB 60MB/s
Cl Server (using put)
10GB <-> 2x1GB ~100MB/s
1GB <-> 2x1GB 50MB/s
Bye, Peer
On 03.11.2017 11:58, Michael Arndt wrote:
> just to verify basic facts:
>
> Did you cross check vie network sniff, on which SMB protocol versions Server + Win 7 clients agree ?
> Or did you pin down via registry ?
>
> AFAIK only starting with win 8 or win 10 clients you could ask with powershell, which protocol version is in use.
>
> Did you also cross check samba logs for a name resolution issue ( windows names, not DNS)
> if one of your boxes is an commercial appliance alignment issues may be excluded ...
> if you get reasonable throughput via NFS, this points to "where is a difference in your environment between NFS and SMB / CIFS).
>
> hth
> Micha
>
--
Mit freundlichen Grüßen,
Peer-Joachim Koch
________________________________________________________
Max-Planck-Institut für Biogeochemie
Dr. Peer-Joachim Koch
Hans-Knöll Str.10 Telefon: ++49 3641 57-6705
D-07745 Jena Telefax: ++49 3641 57-7705
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