[Beowulf] NFS server for a small cluster

Skylar Thompson skylar at cs.earlham.edu
Wed Sep 9 21:10:23 PDT 2009


Mark Hahn wrote:
> extra ram doesn't help a fileserver much except when you can read-cache
> effectively (either file contents or metadata.)  I wouldn't sweat cache
> size, and probably not ram size either (unless your working set really
> is < 8GB.)
> _______________________________________________

One thing extra RAM can buy a file server is aggregating writes into
contiguous blocks. I'm not sure what the sweet spot as far as RAM size
is, and I suspect strongly that the effect is dependent on the number
and size of your files, so your YMMV.

-- 
-- Skylar Thompson (skylar at cs.earlham.edu)
-- http://www.cs.earlham.edu/~skylar/


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