[Samba] slowness in samba4 AD

Marcos Ariel Negrini mnegrini at afip.gob.ar
Wed May 19 15:11:19 UTC 2021

I have installed a Samba4 AD in version 4.13.07, I have a main 
controller and two replicas. In general the performance is very 
good(authentication for example), but I started to detect that sometimes 
some administration operations(Rsat or Group Policy Management) become 
very slow. For example opening a gpo from the Group Policy Management 
interface takes more than a minute. I have been following the samba 
logs, but I can't find any error. Could you guide me on what to look at 
or configure to solve this?
As information every night I run a dbcheck in two ways (I am not sure if 
one includes the other, just in case I leave both), "samba-tool dbcheck 
--reindex --yes --fix" and "samba-tool dbcheck --yes --cross-ncs --fix".

Marcos Ariel Negrini
AFIP - División Seguridad de Activos
Dirección de Seguridad de la Información
Paseo Colon 635 PB - CP 1063 - CABA

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