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Date: Tue, 14 Apr 2015 16:54:35 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Making Cygwin More Tolerant of Orphaned SIDs?
Message-ID: <20150414145435.GI7343@calimero.vinschen.de>
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References: <CADi7v6LUZhr6UVSYA+Fe27f-aWJcxVxUXb3vR02rVuW9cG3a6A@mail.gmail.com> <loom.20150414T085644-392@post.gmane.org> <20150414080044.GB7343@calimero.vinschen.de> <CADi7v6J=h7ydravvigVwMpT5P4QwMS1L73m1zhy==DtrL-SHhQ@mail.gmail.com> <20150414092313.GE7343@calimero.vinschen.de> <CADi7v6JVqPi9SE44CbfYfd-aWUd8w2=2Uu=2=BR6ZM6H9qDgqA@mail.gmail.com> <552D087A.5030305@gmail.com>
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On Apr 14 14:30, Noel Grandin wrote:
>=20
>=20
> On 2015-04-14 01:24 PM, Bryan Berns wrote:
> >  I do the same 'time ls -l /cygdrive/c/somedir/*'.  Takes 20 seconds.
> >Subsequent runs in the also take 20 seconds.  Since I'm able to
>=20
> It sounds like Cygwin needs a negative-entry cache i.e. a cache of ACL's
> that are know to be orphans or otherwise bad to prevent it repeatedly try=
ing
> them.

It doesn't if it tried it once since after that it's cached within the
limits of the caching algorithm, as explained in the documentation
nobody reads:

  https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-files

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

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