[Samba] Samba 4 is half as fast as Samba 3?!

[Stuart Naylor]

I read the answer with interest.

I have to ask, as I will take the reply as proof. Surely SMB2 isn't half as fast as standard CIFs?

http://www.snia.org/sites/default/education/tutorials/2008/fall/networking/JimPinkerton-SMB2_Big_Improvements_Remote_FS_Protocol-v3.pdf

Something is seriously wrong with the implementation if it is?!

Stuart

 
 
-----Original message-----
> From:Oliver Lehmann <lehmann at ans-netz.de>
> Sent: Thursday 17th April 2014 20:24
> To: Volker Lendecke <Volker.Lendecke at sernet.de>
> Cc: samba at lists.samba.org
> Subject: Re: [Samba] Samba 4 is half as fast as Samba 3?!
> 
> Hi,
> 
> [global]
>          max protocol = NT1
> 
> in seems to bring back more or less the performance I was used to
> with Samba 3. NT1 was the default in Samba 3, while SMB3 seems to
> be the default in Samba 4. I also tried
> 
> [global]
>          aio read size = 1
>          aio write size = 1
>          use sendfile = true
> 
> But those made no big difference.
> 
>