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From: Achim Gratz <Stromeko AT nexgo DOT de>
To: cygwin AT cygwin DOT com
Subject: Re: Very slow Cygwin startup on Windows 7
References: <3FEEC3A37A0B0A48AA326075128C32EE4DC9F0E8 AT xmb-rcd-x01 DOT cisco DOT com>
Date: Mon, 09 Feb 2015 18:46:50 +0100
In-Reply-To: <3FEEC3A37A0B0A48AA326075128C32EE4DC9F0E8@xmb-rcd-x01.cisco.com>	(Dennis Hagarty's message of "Mon, 9 Feb 2015 17:36:02 +0000")
Message-ID: <87mw4nugdx.fsf@Rainer.invalid>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux)
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Dennis Hagarty (dehagart) writes:
> Well, nsswitch.conf was a good suggestion - I'd left it as the default
> (which is empty), but I added a 'files' entry and it came good again.
> Changing the passwd and group entries to 'files db' makes it very slow
> again.

Limit the number of entries that Cygwin fetches from the DC.  Also,
starting a cygserver would help.

> Not sure what changed here, I have a very good connection to my DC,
> but obviously something wrong here now.

You may be surprised at how slow a DC really can be when it sees some
load, regardless of connection speed when you try to fetch several
thousand entries.  If I were to try a 'mkpasswd -d' on our DC I'd
usually have to wait about an hour with very little network traffic to
show (the resulting file would be about 4MiB).


Regards,
Achim.
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