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Date: Fri, 20 Feb 2009 16:20:13 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: SSH V.5.1 with Cygwin1.dll 1.7.0: Very large  logon times...
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On Feb 20 15:48, Carsten DOT Porzler AT spb DOT de wrote:
> It ist very difficult to put in debug statements at the right places 
> within the sourcecode because of the complexity of the programs.
> 
> But we have just found out these new facts:
> 
> - We copied our productive Active Directory database into a test 
> environment
>         + AD database contained 8700 users, 6000 groups, 9600 computers
>         + part of this test network are only three computers: root domain 
> controller, domain controller, member server
>         + problem of large logon time could also be seen in this copied 
> environment
> 
> - In the next step we deleted most of the Active Directory objects
>         + After this deletion process AD database contains only 278 users, 
> 784 groups and 32 computers
>         + SSH login takes only 1 sec. for login
> 
> With theses informations it should be possible for you developers to 
> adjust the situation. Increase the number of your Active Directory 
> objects, and you will probably see that the logon time will also increase!
> 
> Anything within your ssh logon process takes more time the bigger the 
> Active Directory database is.

I just discussed this problem and my code with somebody having more
insight into this AD stuff.  I now have a hunch what I could do to
fix this bad timing problem.  Stay tuned.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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