On Wed, 13 Sep 2006, Ken Hornstein wrote:
BTW, it's really interesting to peek at the OpenAFS fileserver with
some of the dtrace tools. It's *very* fdsync happy, and seems to
spend a lot of time/resources syncing buffers to disk -- I wonder if
we could seriously increase performance here and let the OS write-
cache actually be one...
Whew, you ain't kidding. When I looked at that, I believe a lot of it
was the link table. I have been idly thinking about simply removing
most of those fsync() calls, or collapsing a whole bunch of them ... it
there's a patch in rt to do it, which i need to look at for 1.5
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