[Samba] Samba 4 LDAP/LDB search speed

Roel van Meer roel at 1afa.com
Wed Oct 1 05:32:25 MDT 2014

Steve Thompson writes:

>> While testing, it seems that the S4 LDAP server is a lot slower than  
>> OpenLDAP.
> I have also found that the S4 LDAP server is extremely slow compared to  
> OpenLDAP; I have seen as much as two orders of magnitude difference. Indeed,  
> we put all our automount maps, netgroups, mail aliases, etc on an instance  
> of OpenLDAP running on port 390 on the DC's, because the S4 LDAP server is  
> just too slow for the expected response times.

Thanks for sharing your experiences.

Have you tried other ways to solve it?

We're considering creating an OpenLDAP proxy to S4 with a caching overlay,  
but it's complex to setup, and we're not sure if it will help enough.

Best regards,


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