Todd M. Lewis wrote:
If you've got a list of files that you really want to keep cached, just
put the file names into a list and do something like this:
while (1) ; do
for f in `cat ~/.afs.cache.list` ; do
head $f > /dev/null
sleep 10
done
sleep 600
done
as AFS does not cache files but chunks, the above solution would just
keep the first chunk in the cache, not the complete file.
Also, Ted did not say that files were only used for read. If yes,
the need for a RAM cache is relative: on modern systems, if files are
read frequently then they will reside in the system's buffer cache anyway.
I agree though that being able to pin chunks in the cache could have
its merits, for example on a notebook if you know that the next time
you connect it'll be over a slow line. Can't be that big a change...
--
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Rainer Toebbicke
European Laboratory for Particle Physics(CERN) - Geneva, Switzerland
Phone: +41 22 767 8985 Fax: +41 22 767 7155
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