Date: Wed, 10 Jan 2024 13:27:33 +0100 (CET) From: Ronald Klop <ronald-lists@klop.ws> To: Olivier Certner <olce@freebsd.org> Cc: freebsd-current@freebsd.org, Warner Losh <imp@bsdimp.com> Subject: Re: noatime on ufs2 Message-ID: <1115024984.4580.1704889653735@localhost> In-Reply-To: <1749331.ETpRK2a2Mi@ravel> References: <ZZqmmM-6f606bLJx@int21h> <20240109174318.MCIB6yhn@steffen%sdaoden.eu> <CANCZdfoB-XqvwRrkqUiNEmqLpFbAUSZiuJzM%2BG1fdeiU2KQFiQ@mail.gmail.com> <1749331.ETpRK2a2Mi@ravel>
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------=_Part_4579_969573456.1704889653729 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Van: Olivier Certner <olce@freebsd.org> Datum: woensdag, 10 januari 2024 11:01 Aan: Warner Losh <imp@bsdimp.com> CC: freebsd-current@freebsd.org Onderwerp: Re: noatime on ufs2 > > Hi Warner, > > > It has also been used for almost as long to see if log files have changed > > if you set your MAIL variable to that. So not just for email... > > This seems to be an example in point of a "niche" scenario, both in terms of spread of usage (even then) and the fact that it's easy to get the functionality by other means. > > Again, I'm not opposing anyone from working on "relatime" if they personally have a strong need and motivation. I'm not even asking for removing the "atime" functionality, which can have its uses. > > What I'm saying is that, based on others' input so far, my own (long, even if not as long as yours) experience and some late reflection, is that "noatime" should be the default (everywhere, all mounts and all FSes), and that working on "relatime" won't make any real difference for most users (IOW, I think that developing "relatime" is a bad idea *in general*). And I think this is a sufficiently reasonable conclusion that anyone with the same inputs would conclude the same. So, if it's not the case, I would be interested in knowing why, ideally. > > Regards. > > -- > Olivier Certner > > > > "And I think this is a sufficiently reasonable conclusion that anyone with the same inputs would conclude the same." This is an interesting type of argument. Ronald. ------=_Part_4579_969573456.1704889653729 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit <html><head></head><body><br> <p><strong>Van:</strong> Olivier Certner <olce@freebsd.org><br> <strong>Datum:</strong> woensdag, 10 januari 2024 11:01<br> <strong>Aan:</strong> Warner Losh <imp@bsdimp.com><br> <strong>CC:</strong> freebsd-current@freebsd.org<br> <strong>Onderwerp:</strong> Re: noatime on ufs2</p> <blockquote style="padding-right: 0px; padding-left: 5px; margin-left: 5px; border-left: #000000 2px solid; margin-right: 0px"> <div class="MessageRFC822Viewer" id="P"> <div class="MultipartMixedViewer"> <div class="TextPlainViewer" id="P.P.P1">Hi Warner,<br> <br> > It has also been used for almost as long to see if log files have changed<br> > if you set your MAIL variable to that. So not just for email...<br> <br> This seems to be an example in point of a "niche" scenario, both in terms of spread of usage (even then) and the fact that it's easy to get the functionality by other means.<br> <br> Again, I'm not opposing anyone from working on "relatime" if they personally have a strong need and motivation. I'm not even asking for removing the "atime" functionality, which can have its uses.<br> <br> What I'm saying is that, based on others' input so far, my own (long, even if not as long as yours) experience and some late reflection, is that "noatime" should be the default (everywhere, all mounts and all FSes), and that working on "relatime" won't make any real difference for most users (IOW, I think that developing "relatime" is a bad idea *in general*). And I think this is a sufficiently reasonable conclusion that anyone with the same inputs would conclude the same. So, if it's not the case, I would be interested in knowing why, ideally.<br> <br> Regards.<br> <br> -- <br> Olivier Certner</div> <hr> <div class="DefaultViewer"> </div> </div> </div> </blockquote> <br> <br> "And I think this is a sufficiently reasonable conclusion that anyone with the same inputs would conclude the same."<br> <br> This is an interesting type of argument.<br> <br> Ronald.<br> </body></html> ------=_Part_4579_969573456.1704889653729--
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