[Samba] SMB data transfer performance on AD mode

Jeremy Allison jra at samba.org
Tue Sep 12 16:11:11 UTC 2017

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 :-).

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