[OmniOS-discuss] Slow CIFS Writes when using Moca 2.0 Adapter

[Dale Ghent]

For what it's worth, the max MTU for X540 (and X520, and X550) is 15.5k. You can nearly double the frame size that you used in your tests, switch and the MacOS ixgbe driver allowing, of course.


> On Jan 28, 2016, at 4:20 PM, Günther Alka <alka at hfg-gmuend.de> wrote:
> 
> I have done some tests about different tuning options (network, disk, service, client related) -
> mainly with 10G ethernet in mind but this may give some ideas about options (on new 151017 bloody)
> 
> http://napp-it.org/doc/downloads/performance_smb2.pdf
> 
> 
> Am 28.01.2016 um 21:15 schrieb Mini Trader:
>> I most definitely will.  Any other tunables worth looking at or can most of these issues be fixed by send/receive buffer size?
>> 
>> This was a nice crash course on how TCP Window sizes can affect your data throughput!
>> 
>> On Thu, Jan 28, 2016 at 2:49 PM, Dan McDonald <danmcd at omniti.com> wrote:
>> 
>> > On Jan 28, 2016, at 2:44 PM, Mini Trader <miniflowtrader at gmail.com> wrote:
>> >
>> > Problem has been resolved :)
>> >
>> 
>> Makes sense.  Those settings are only inherited by new TCP connections.  Sorry I missed a good chunk of this thread, but you pretty much figured it all out.
>> 
>> And you should check out this bloody cycle... SMB2 is on it, and it may help you further.  Or you can wait until r151018, but early testing is why we have bloody.  :)
>> 
>> Dan
>> 
>> 
>> 
>> 
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>> 
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> 
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