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Re: [Samba] SMB data transfer performance on AD mode




On Tue, 2017-09-12 at 09:11 -0700, Jeremy Allison via samba wrote:
> On Tue, Sep 12, 2017 at 12:52:29PM -0300, Dante Colo via samba wrote:
> > Hi Everyone ! 
> > 
> > I note that all of samba AD server that i maintain are not so fast in terms of data transfer, more specifically none of them go over 40 MB/s , one particularly which i'm trying to find out why doesn't go over 20 MB/s , transfering data using other protocols like FTP , rsync , rsync over ssh on any of these machines i can easily achieve 80 MB/s ,i also can get the same on Samba if i run it as a basic standalone file server or classic pdc nt4 mode, is this normal ? I didn't try yet to deploy a basic file server and join a samba AD , is this better than use AD server itself in terms of data transfer performance ? 
> 
> ENODATA :-). We need much more information
> on your setup in order to help.
> 
> Otherwise, this is equivalent to "my car won't
> go faster than 40 mph, what's wrong ?"
> 
> There are a multitude of possible problems :-).

However, the first problem is that on the AD DC, smb signing is
required, which will make things slower than unprotected rsync.

Andrew Bartlett

-- 
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba


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