On Mon, 15 Aug 2005, Russ Allbery wrote:

Troy Benjegerdes <[EMAIL PROTECTED]> writes:

I'm running with the following afsd command line (which is what the
debian packages decided to set it too.. I'll happill take suggestions on
better optimizations, or how to find out what's thrashing)

/usr/sbin/afsd -stat 2000 -dcache 800 -daemons 3 -volumes 70 -fakestat
-afsdb -nosettime

Note that I just uploaded 1.3.87 packages to Debian unstable which, among
other things, completely redo the init script logic and defaults to
implement (in a coarse fashion) the tuning advice from the previous
thread.  I'd be very curious about any feedback.

I was hoping that the default logic in afsd could be updated to something useful (hence my patch), and that we then could remove the various tuning made in the init scripts due to the fact that afsd didn't do reasonable tuning by default.

I haven't actually recieved that much useful comments on the patch, other than the obvious typo and the "why 32k avg filesize when 10k has worked for ages"-debate. I'd like to know whether something should be revised, if I need to submit a patch without the typo, or whatever. In any case, it's much better than what's currently in there so even though it isn't perfect it's a big improvement.

And to go out on a limb, let's look a bit into the future. The current trend is that file sizes increase, as usual. The reason to this is new applications, like megapixel digital cameras producing lots of rather large files, large file support in AFS will open a new set of possible uses (dvd-images, weird scientific software, etc), and so on. Legacy applications doesn't drive this development (.bashrc et al is still the same size), but new applications do. And AFS really needs to be ready for this, although I agree that we need to handle both extremes of usage patterns decently.

I'm working on an openafs-doc package now, and then when that's done, will
review the various feedback on the cell setup scripts and go to work on
those.

Someone really ought to update the afsd manpage, the options available and the options documented differ quite a lot.

/Nikke
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 Niklas Edmundsson, Admin @ {acc,hpc2n}.umu.se     |    [EMAIL PROTECTED]
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