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Bug#436785: #436785 partman: Support relatime mount option and possibly enable by default



(Please CC me as bug submitter!)

Petter Reinholdtsen wrote:
> As atime is used by popularity-contest to collect information on what
> packages has been used the last week, it might be good to check how
> such change affect popularity-contest.

Please read the last posts of the article I referred to. relatime is being 
changed a bit so it will support such uses of atime. The tread also goes 
into use cases such as mutt and tmpreaper.

It may be that in the future the updates will be done less frequently the 
less often a file is used [1].
With latest patch atime will be updated if it is more than a day old (see 
follow-ups to [1]), which should be good enough for popcon.

Note that this means that the description Colin added for relatime will not 
really be correct anymore.

Note also that using atime as indicator when an application is "used" is 
broken by definition. A grep on /usr/bin/* would result in all apps being 
marked as "used"...
Anyway, I doubt I'd consider popcon a valid reason to block such a change 
given the huge advantages it has.

[1] http://lkml.org/lkml/2007/8/5/137

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