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From:   Junio C Hamano <gitster@pobox.com>
To:     Taylor Blau <me@ttaylorr.com>
Cc:     Sun Chao via GitGitGadget <gitgitgadget@gmail.com>,
        git@vger.kernel.org,
        =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason <avarab@gmail.com>,
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Subject: Re: [PATCH v3] packfile: freshen the mtime of packfile by
 configuration
References: <pull.1043.v2.git.git.1626226114067.gitgitgadget@gmail.com>
        <pull.1043.v3.git.git.1626724399377.gitgitgadget@gmail.com>
        <YPXluqywHs3u4Qr+@nand.local>
Date:   Mon, 19 Jul 2021 17:07:53 -0700
In-Reply-To: <YPXluqywHs3u4Qr+@nand.local> (Taylor Blau's message of "Mon, 19
        Jul 2021 16:51:06 -0400")
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Taylor Blau <me@ttaylorr.com> writes:

> Hmm. I'm still quite unconvinced that we should be taking this direction
> without better motivation. We talked about your assumption that NFS
> seems to be invalidating the block cache when updating the inodes that
> point at those blocks, but I don't recall seeing further evidence.

Me neither.  Not touching the pack and not updating the "most
recently used" time of individual objects smells like a recipe
for repository corruption.

> My opinion is that it is not, and that the bizarre caching behavior you
> are seeing is out of Git's control.