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From:	"Dennis Hagarty (dehagart)" <dehagart AT cisco DOT com>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	RE: Very slow Cygwin startup on Windows 7
Date:	Mon, 9 Feb 2015 19:17:50 +0000
Message-ID:	<3FEEC3A37A0B0A48AA326075128C32EE4DC9F1A0@xmb-rcd-x01.cisco.com>
References:	<3FEEC3A37A0B0A48AA326075128C32EE4DC9F0E8 AT xmb-rcd-x01 DOT cisco DOT com> <87mw4nugdx DOT fsf AT Rainer DOT invalid> <3FEEC3A37A0B0A48AA326075128C32EE4DC9F137 AT xmb-rcd-x01 DOT cisco DOT com> <20150209185129 DOT GH5633 AT calimero DOT vinschen DOT de>
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Thanks :-)

I saw that, but it didn't quite sink in that this was my problem.

Cheers
Dennis

-----Original Message-----
From: cygwin-owner AT cygwin DOT com [mailto:cygwin-owner AT cygwin DOT com] On Behalf Of Corinna Vinschen
Sent: Monday, 9 February 2015 19:51
To: cygwin AT cygwin DOT com
Subject: Re: Very slow Cygwin startup on Windows 7

On Feb  9 18:18, Dennis Hagarty (dehagart) wrote:
> >> 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.
> 
> Thanks Achim - I've recreated my passwd and group files to be sure.
> I checked some domain lookups and they take a second or two for each entry - quite slow. 
> 
> So, I'll leave nsswitch where it is for now and I've started cygserver.
> 
> But I'm just wondering how this failed after I updated - I was using it successfully 30 mins previously.
> I've had it configured this way for years.

https://cygwin.com/ml/cygwin-announce/2015-02/msg00009.html

It helps to read the announcements ;)


Corinna

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

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