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
Le Wed, 13 Sep 2017 06:53:56 +1200 Andrew Bartlett via samba <samba at lists.samba.org> écrivait:> > > > 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. >Yep, exactly the thing that drove me mad this summer :) If server signing is on, it will significantly reduce thoughput.... -- ------------------------------------------------------------------------ Emmanuel Florac | Direction technique | Intellique | <eflorac at intellique.com> | +33 1 78 94 84 02 ------------------------------------------------------------------------ -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 181 bytes Desc: Signature digitale OpenPGP URL: <http://lists.samba.org/pipermail/samba/attachments/20170913/9917e523/attachment.sig>
On Wed, Sep 13, 2017 at 06:45:19PM +0200, Emmanuel Florac wrote:> Le Wed, 13 Sep 2017 06:53:56 +1200 > Andrew Bartlett via samba <samba at lists.samba.org> écrivait: > > > > > > > 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. > > > > Yep, exactly the thing that drove me mad this summer :) If server > signing is on, it will significantly reduce thoughput....When 4.7.0 ships, if you're on a supported Intel x86_64 or AMD alternative, re-compiling with the hardware AES instructions turned on should really help here.