[OpenAFS] Suspect AFS bottlenecks on a web server
Sat, 21 Nov 2009 15:31:21 +0000
On 21 Nov 2009, at 15:10, Jason Edgecombe wrote:
> 1. My web server is on solaris, currently.
Yeh, I should learn to read. Sorry.
> 2. How do I disable dynamic vcache support?
If you're on Solaris, you don't need to. Ignore that bit!
> 3. I'm rolling 1.4.10 because I already have it compiled and
> packaged for deployment. (using the AFS package program, if that
> matters). I have already tested these binaries on other machines.
> Recompiling would require restarting the whole test cycle.
> I have some data that suggests I need to increase the size of the
> vcache. It's about a 5% miss rate vs 2% miss rate on the dcache.
> I'll tweak the vcache size if the upgrade doesn't improve things.
If you're seeing a contention problem, that it's possible that a
larger vcache won't help. But it's worth giving it a go.