[OpenAFS] Very large caches

[Derrick J Brashear]

[Please don't reply to both me and the list]

On Tue, 27 Nov 2001, Mitch Collinsworth wrote:

> My question is:  Is anyone using ram cache with OpenAFS?  (Or has
> anyone tried yet?)  I think I recall reading here a while back that
> no one knew if it even worked with OpenAFS yet.

I remember that being said of Linux 2.4 particularly, but not generally.

> At last year's AFS workshop at LISA the consensus of folks in the
> room seemed to be that a smallish ram cache was the fastest
> performance to be gotten under IBM AFS.  This was so shortly after
> the OpenAFS code had been released by IBM that there was little or
> no experience yet to be discussed about OpenAFS.

Realize that last year our code was essentially just IBM AFS. No
significant enhancements have been made to the memory cache *except* a fix
from Chas Williams which means using it on IRIX isn't likely to bite you
as it would have before; This change will be in the forthcoming 1.2.3
release.