Slow startup time on AD joined PCs

[Cristi Anichitei]

I tried the second workaround and it solved the problem for me. I'll update
the GitHub issue with this and suggest that others try the same thing as
well. Thanks!

În lun., 26 iun. 2023 la 17:12, Brian Inglis <Brian.Inglis@shaw.ca> a scris:

> On 2023-06-26 00:15, Cristi Anichitei via Cygwin wrote:
> > This has been initially reported as a Git for Windows issue:
> > https://github.com/git-for-windows/git/issues/4459
> >
> > But it has been tracked down to originate in the Cygwin project (see
> >
> https://github.com/git-for-windows/git/issues/4459#issuecomment-1580526636
> > and maybe
> >
> https://github.com/git-for-windows/git/issues/4459#issuecomment-1602566700
> ).
> >
> > Using 3.4.6.1 (from
> >
> http://mirrors.kernel.org/sourceware/cygwin/x86_64/release/cygwin/cygwin-3.4.6-1-src.tar.xz
> ),
> > running any program from /usr/bin takes at least 20 seconds, for example
> >
> > $ .\ldd.exe --version
> > ldd (cygwin) 3.4.6
> > Print shared library dependencies
> > Copyright (C) 2009 - 2023 Chris Faylor
> > This is free software; see the source for copying conditions.  There is
> NO
> > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
> PURPOSE.
> > $ Measure-Command { .\ldd.exe --help }
> > Days              : 0
> > Hours             : 0
> > Minutes           : 0
> > Seconds           : 22
> > Milliseconds      : 552
> > Ticks             : 225529747
> > TotalDays         : 0.000261029799768519
> > TotalHours        : 0.00626471519444444
> > TotalMinutes      : 0.375882911666667
> > TotalSeconds      : 22.5529747
> > TotalMilliseconds : 22552.9747
> >
> > I have also tried this with 3.4.7 - same issue.
> >
> > Using 3.1.7 there is no slow down. I haven't tried any versions between
> > 3.1.7 and 3.4.7 yet, but I can do that.
> >
> > I'm running Windows 10 21H2 (19044.3086).
>
> https://cygwin.com/faq.html#faq.using.startup-slow
>
> Probably slow AD server or network connection, or long group membership
> lists,
> that can be ameliorated by running cygserver service at system startup, so
> only
> the first Cygwin process takes SAM/AD access hits, which are cached
> thereafter,
> and shared with all Cygwin processes on the system.
> Otherwise the first Cygwin process in each Cygwin process tree takes the
> hits,
> so if you are not running under Cygwin mintty terminal and/or Cygwin
> shell,
> every Cygwin process run from a Windows shell has to load all the SAM/AD
> info
> required to run the Cygwin process.
>
> --
> Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada
>
> La perfection est atteinte                   Perfection is achieved
> non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to
> add
> mais lorsqu'il n'y a plus rien à retirer     but when there is no more to
> cut
>                                  -- Antoine de Saint-Exupéry
>