Ashley Pittman wrote: > On Sat, 2009-09-12 at 10:10 -0500, Rahul Nabar wrote: > >> *A distribution of file age and prevelance (to know how much of this >> material is archivable). Same for frequency of access; i.e. maybe the last >> access stamp. >> > > I thought access stamps were a thing of the past and everyone ran with > "noatime" these days? > > Ashley. > > Are there any studies showing the overhead of atime updates? I've heard anecdotal evidence saying that it makes a big difference, and the same going the other way. FWIW, you can disable atime updates on a per-file basis in Linux and FreeBSD using chattr.
-- -- Skylar Thompson (sky...@cs.earlham.edu) -- http://www.cs.earlham.edu/~skylar/
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