Very slow Cygwin startup on Windows 7

Achim Gratz
Mon Feb 9 17:47:00 GMT 2015

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).

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