[Samba] optimizing and scaling ntlm_auth

Louis Munro lmunro at inverse.ca
Thu Sep 11 10:42:19 MDT 2014

On 2014-09-11, at 10:39 , Volker Lendecke <Volker.Lendecke at SerNet.DE> wrote:

> We don't gather these statistics right now. Should be simple
> to do, but right now we don't have that. From a network
> trace I think I could spot whether a DC was slow overall or
> whether it was us, but without further code instrumentation
> I don't have a good idea how to find what you need from
> logs. tcpdump can do rolling logs, so it's possible to keep
> the last gigabyte of traffic around an rotate the rest away.
> It might be worthwhile to run that for a while and later on
> analyze the sniff in the moment when ntlm_auth was slow.

Hi Volker,

I am running a rolling capture right-now.

Do you have any pointers regarding what I should be looking for especially?

Louis Munro
lmunro at inverse.ca  ::  www.inverse.ca 
+1.514.447.4918 x125  :: +1 (866) 353-6153 x125
Inverse inc. :: Leaders behind SOGo (www.sogo.nu) and PacketFence (www.packetfence.org)

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