On Sun, Aug 30, 2009 at 1:07 PM, erik quanstrom<quans...@quanstro.net> wrote: >> Simple example: file systems on Plan 9 are slow. Why is that? How do >> they work? How would you go about finding out how to make them faster? > > which ones? there are quite a number to choose from. > i've found that ken's fs beats the pants off nfs on similar > hardware with literally one cpu tied behind its back.
Try this - build the source to charon over a 200ms link over 9p. Then try again over sshfs. Also, look at a single terminal with a local fossil install. Trace the path of an 'ls /'. Count the number of copies and context switches. Having the fastest file server in the world means nothing for file system performance when your path to it is a maze of twisty passages, all alike. -- vs
