[Samba] Slow Samba AD DC performance compared to Microsoft AD DC

[L.P.H. van Belle]

Lookup in the Windows setup where indexing is applied. 

And, upgrade you os +samba (as Rowland also said). 

Indexing on ad-object greatly improved in later samba versions. 

ldbsearch -H "$(samba -b|grep PRIVATE_DIR |awk '{ print $NF }')/sam.ldb"  -s base -b @INDEXLIST
Will show you the index one's in samba.


Greetz, 

Louis

 

> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens 
> Sinan Ozturk via samba
> Verzonden: donderdag 27 augustus 2020 12:48
> Aan: samba at lists.samba.org
> Onderwerp: [Samba] Slow Samba AD DC performance compared to 
> Microsoft AD DC
> 
> Hello everyone.
> 
> I have a problem with performance of Samba AD DC.
> 
> We have a Laravel application that queries both Microsoft AD 
> DC and Samba AD DC.
> 
> When a query comes to AD it takes 1 second to complete, 
> however with Samba it can take up to 4-5 seconds.
> 
> The queries are updating user, creating group and attaching 
> people to groups.
> 
> Samba Server has more than 6000 users.
> 
> The VM has 2 CPU 2 GB Ram and Virtio network card running 
> Ubuntu 14.04 with Samba 4.3.11.
> 
> Is there any way I can speed up Samba server?
> 
> Here is the smb.conf file
> 
> ###########################################################
> # Global parameters
> [global]
>         workgroup = domain
>         realm = domain.COM
>         netbios name = JUGGERNAUT
>         server role = active directory domain controller
>         dns forwarder = 172.31.238.11
>         idmap_ldb:use rfc2307 = yes
>         log level = 1
>         ldap ssl = off
>         ldap server require strong auth = no
> [netlogon]
>         path = /var/lib/samba/sysvol/domain.com/scripts
>         read only = No
> 
> [sysvol]
>         path = /var/lib/samba/sysvol
>         read only = No
> 
> ###########################################################
> 
> Thanks.
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