[OpenAFS] Questions regarding `afsd` caching arguments (`-dcache` and `-files`)

Ciprian Dorin Craciun ciprian.craciun@gmail.com
Fri, 8 Mar 2019 21:38:44 +0200


On Fri, Mar 8, 2019 at 9:30 PM Mark Vitale <mvitale@sinenomine.net> wrote:
> But now on more careful reading, I see this only applies when -dcache has not been explicitly specified.
> (Which, to be fair, is the normal case).

Thanks for the insight.


> > (I'm struggling to get AFS to go over the 50MB/s, i.e. half a GigaBit,
> > bandwidth...  My target is to saturate a full GigaBit link...)
>
> Here are some helpful commands for examining the results of your configuration experiments:
>
> cmdebug <client> -cache
> fs getcacheparms -excessive

Perhaps you know:  what is the maximum bandwidth that one has achieved
with OpenAFS?  (Not a "record" but in the sense "usually in enterprise
deployments we see zzz MB/s".)

(I think my issue is with the file-server not the cache-manager...)

Thanks,
Ciprian.