X-Recipient:	archive-cygwin AT delorie DOT com
DomainKey-Signature:	a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; q=dns; s=
	default; b=OS66waf+cx1AQoyAAFQpUK4NiRun/uu2qK0Ln3nujQRijYxEmYLUr
	TScDBqlDa6vrfTRxV2oJivDqB3Kvoysscb1r2JoJOT1WfDmvFFzrV/m7cBqH1GO2
	3WptvjNeb1ZB3MiMb+oGkkByFI3OV6fceLfpJnBTN1Iphwj2WwwxEo=
DKIM-Signature:	v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:date:from:to:subject:message-id:reply-to
	:references:mime-version:content-type:in-reply-to; s=default;
	bh=hpsi4IBsQMXJQtlUjdQ2+1sukNk=; b=IqrM93hWyMB6RhsZmwWvxJ4aTqWi
	wecNyfkTk/jI8GPQhHK0OYCTpwLud9mJZ/lMsnmTYjQBp6+RpD+zxQO6mOAT2b+C
	L7rPxZp30TAcmyD6Syhak0yN2767YSEY1bdtHgPwtRMnHcTzWBng7AlQD/opwqN/
	4ynNW4UIYhmxbQ4=
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Authentication-Results:	sourceware.org; auth=none
X-Virus-Found:	No
X-Spam-SWARE-Status:	No, score=-4.1 required=5.0 tests=AWL,BAYES_50,KAM_LAZY_DOMAIN_SECURITY autolearn=no version=3.3.2
X-HELO:	calimero.vinschen.de
Date:	Tue, 14 Apr 2015 17:00:19 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Making Cygwin More Tolerant of Orphaned SIDs?
Message-ID:	<20150414150019.GL7343@calimero.vinschen.de>
Reply-To:	cygwin AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
References:	<CADi7v6LUZhr6UVSYA+Fe27f-aWJcxVxUXb3vR02rVuW9cG3a6A AT mail DOT gmail DOT com> <loom DOT 20150414T085644-392 AT post DOT gmane DOT org> <20150414080044 DOT GB7343 AT calimero DOT vinschen DOT de> <CADi7v6J=h7ydravvigVwMpT5P4QwMS1L73m1zhy==DtrL-SHhQ AT mail DOT gmail DOT com> <20150414092313 DOT GE7343 AT calimero DOT vinschen DOT de> <CADi7v6JVqPi9SE44CbfYfd-aWUd8w2=2Uu=2=BR6ZM6H9qDgqA AT mail DOT gmail DOT com> <552D087A DOT 5030305 AT gmail DOT com> <20150414145435 DOT GI7343 AT calimero DOT vinschen DOT de>
MIME-Version:	1.0
In-Reply-To:	<20150414145435.GI7343@calimero.vinschen.de>
User-Agent:	Mutt/1.5.23 (2014-03-12)

--NAwUDtUPse4omjmu
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Apr 14 16:54, Corinna Vinschen wrote:
> 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 t=
rying
> > them.
>=20
> 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:
>=20
>   https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-files

Actually:

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


Corinna

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

--NAwUDtUPse4omjmu
Content-Type: application/pgp-signature

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=D8Ao
-----END PGP SIGNATURE-----

--NAwUDtUPse4omjmu--

- Raw text -