[Samba] howto optimize samba/kerberos for 20k requests per minute - help needed
L.P.H. van Belle
belle at bazuin.nl
Tue Jul 20 06:45:43 UTC 2021
Exacly what i mean. ... Kopano, i was already thinking is kopano..
But there is one big difference i think. With your setup and mine
I think you run Kopano from within UCS 4.3
( and i tested also USC 5.0, no kopano there, the move to licenced kopano. )
I run Kopano on clean Debian 10 install.
And what version kopano/web app is running because
i dont see that here. IO looks normal.
> -----Oorspronkelijk bericht-----
> Van: samba [mailto:samba-bounces at lists.samba.org] Namens
> Stefan Bauer via samba
> Verzonden: dinsdag 20 juli 2021 7:57
> Aan: samba at lists.samba.org
> Onderwerp: Re: [Samba] howto optimize samba/kerberos for 20k
> requests per minute - help needed
> it is kopano. They state on their website¹:
> Please note that due to performance problems in Samba 4,
> Samba 4 is not
> supported as a user source for setups larger than 50 users.
> And that is indeed what i notice. The high amount of
> between samba-DC and kopano server is causing a very high
> io-load on the
> samba system - renders the system unstable. Also the time an
> authentication request takes, is between 200-400ms.
> As Kopano is doing an authentication every time a user clicks
> a single
> mail and no caching is possible, it is hitting the samba
> system too hard.
> On 19.07.21 11:27, Rowland Penny via samba wrote:
> > On Mon, 2021-07-19 at 11:13 +0200, Stefan Bauer via samba wrote:
> >> Hi and thank you for your time.
> >> We got now the confirmation that samba 4 is not supported by our
> >> software-vendor.
> > If I might ask, who is your software vendor and what is the
> software ?
> > In most cases, when a supplier says they do not support
> Samba 4, they
> > do support AD.
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