[Samba] 10GE performance issues

[Ralph Boehme]

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:

<https://technet.microsoft.com/en-us/library/ff625695%28v=ws.10%29.aspx?f=255&MSPPError=-2147217396>
"SMB2 Client Disable Large MTU"

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

-Ralph

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