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Date:      Sat, 15 Apr 2023 04:05:06 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 270842] [nfsclient] sees out-of-date metadata until stat(1)
Message-ID:  <bug-270842-3630-CIl6HBzp4c@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-270842-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-270842-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270842

Rick Macklem <rmacklem@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |rmacklem@FreeBSD.org

--- Comment #1 from Rick Macklem <rmacklem@FreeBSD.org> ---
NFS does not have a cache coherency protocol
and, as such, attributes will only be approximately
up-to-date on other clients.

You can play with acregmin, acregmax to try and
avoid the problem, but you may end up with a
large increase in Getattr RPCs.

This is the way. (Sorry, I couldn't resist. I've just
been watching the Mandalorian.)

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