[Samba] 10GE performance issues

Ralph Boehme rb at sernet.de
Thu Feb 4 09:21:55 UTC 2016

On Wed, Feb 03, 2016 at 09:27:06PM +0100, Martin Markert wrote:
> we have network performance issues with Samba (Version
> 4.2.7-SerNet-RedHat-19.el6) on one of our servers. The maximum
> throughput from client to server is 110 MB/s (read/write) under
> Windows 7 x64 (single 10GE NIC). When using NFS on a different Linux
> workstation we're getting much higher rates, around 500-700 MB/s. I
> still can't find the problem.

Client side:

"SMB2 Client Disable Large MTU"

Server side: enable aio (aio read size = 1,aio write size = 1).


SerNet GmbH, Bahnhofsallee 1b, 37081 Göttingen
phone: +49-551-370000-0, fax: +49-551-370000-9
AG Göttingen, HRB 2816, GF: Dr. Johannes Loxen

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