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Date: Fri, 20 Feb 2015 21:20:46 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 1.7.35-0.3
Message-ID: <20150220202046.GB31682@calimero.vinschen.de>
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References: <announce DOT 20150218105937 DOT GA28211 AT calimero DOT vinschen DOT de> <87d255htw7 DOT fsf AT Rainer DOT invalid> <20150220095617 DOT GO26084 AT calimero DOT vinschen DOT de> <54E75BB9 DOT 90807 AT coverity DOT com> <20150220162442 DOT GA26084 AT calimero DOT vinschen DOT de> <54E763CD DOT 9000307 AT coverity DOT com> <20150220170354 DOT GE26084 AT calimero DOT vinschen DOT de> <54E7823F DOT 8060301 AT coverity DOT com>
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On Feb 20 13:51, Tom Honermann wrote:
> On 02/20/2015 12:03 PM, Corinna Vinschen wrote:
> >Maybe it is actually simpler than that.  Invalidating the cache as a
> >whole probably never makes sense.  In fact there are two reasons for
> >invalidation:
> >
> >- The pw_name, pw_shell, pw_home, pw_gecos settings for a user changed.
> >
> >- The interface to the DC was broken and there are entries of the type
> >   Achim mentioned, "DOM+User(RID)".
> >
> >The first case can only be fixed by invalidating the cache on a regular
> >basis.  If we didn't fetch the info for a user for, say, 5 minutes, drop
> >the entry from the cache and renew the information by asking the DC
> >again.
> >
> >As for the second case, the DOM+User(RID) entries are undesired and
> >wrong anyway.  So maybe the caching code could do what you said in the
> >first place.  Invalidate the cache on every network change.  But then,
> >only invalidate the entries of the aforementioned type.
>=20
> That all sounds very reasonable.
>=20
> >Care to hack a bit?
>=20
> Oh, if only I could.  If I had more time available, I'd have to go with m=
ore
> time to play with my kids (or sleep) :)

Sleep is highly overrated.


Corinna

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

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