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Date: Mon, 3 Mar 2014 10:23:52 +0100
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Testers needed:  New passwd/group handling in Cygwin
Message-ID: <20140303092352.GB26619@calimero.vinschen.de>
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On Mar  1 02:08, Andrey Repin wrote:
> Greetings, Corinna Vinschen!
>=20
> > I've just uploaded a new snapshot to http://cygwin.com/snapshots/
>=20
> I've sent a reply with testing details, but it may have been caught by SP=
AM
> deflection for "excess use of foreign language".
> Please disregard this notification, if a message will finally come throug=
h.
>=20
> > Please try it out.  Average timings from your environment (process
> > startup, and calling `id') would be nice.
>=20
> Oh, and I thought of a way to test only invocation times.
> I ran /bin/true alot...
>=20
> db_cache: no
> Timer 2  Elapsed: 0:00:00,75
> Stable (+-0.2 regardless of current credentials.)
>=20
> db_cache: yes
> Timer 2  Elapsed: 0:00:00,85 (current user)
> Timer 2  Elapsed: 0:00:00,75 (different user)
> Unstable results. (I.e. vary by ~.10 in both cases.)
>=20
> Default caching settings.
> Timer 2  Elapsed: 0:00:01,15
> Unstable results. (I.e. vary by ~.15 or more in all cases.)

So the process start takes 0.3 secs extra for you.  Is that feasible?
Would you rather keep the new "db_cache" setting as an option?  What
do you think is the best default, objectively spoken?


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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