[OpenAFS] OpenAFS future ramblings

Derrick J Brashear shadow@dementia.org
Thu, 12 Dec 2002 15:08:22 -0500 (EST)


On Thu, 12 Dec 2002, Russ Allbery wrote:

> >> I think most of the complains comes from the times where the fileserver
> >> still had one or a few locks for doing things, now the locks are per
> >> thread.
> 
> > clients still have relatively coarse locks
> 
> Yup, for a while we had an eight-processor box for people to log on to and
> read mail and news and the like, and found that we were getting pathetic
> performance out of it in large part because pretty much everything people
> were doing on it was touching AFS and the AFS client was basically
> funneling everything through one request at a time.
> 
> Switched to a bunch of load-balanced single-processor machines.
> Performance improved drastically.

Supposedly work was done in IBM on a finegrained locking client which was
never completed. Boy, I'd love to have that.