[Samba] performance problem on bridgehead DC

MORILLO Jordi j.morillo at educationetformation.fr
Tue Mar 20 16:21:43 UTC 2018

Hi everybody

All my DC's are now in 4.7 :-)
I also found today my performance problem: Xenserver 7.0 and 7.1 are crappy and I/O bottleneck.....
No problem with Xenserver 6.5 or Proxmox 5 (which is now hosting my Bridgehead DC)
Have a nice week

-----Message d'origine-----
De : Andrew Bartlett <abartlet at samba.org> 
Envoyé : vendredi 16 mars 2018 19:39
À : MORILLO Jordi <j.morillo at educationetformation.fr>; samba at lists.samba.org
Objet : Re: [Samba] performance problem on bridgehead DC

On Fri, 2018-03-16 at 13:11 +0000, MORILLO Jordi via samba wrote:
> Hi Louis,
> Move up to 4.7 is planned soon but I'm little scared to update bridgehead if it actually had performance problem.
> I would like to fix all problem before updating.

No, it is the 4.6 that is causing you the issue.  The unindexed search in the DRS replication server is very slow on 4.6 for a large domain and 4.7 fixes that by correctly using whole-DB locking.  Expect the load to drop to almost nothing based on our user reports. 

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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