[OpenAFS] Suspect AFS bottlenecks on a web server

Jason Edgecombe jason@rampaginggeek.com
Tue, 17 Nov 2009 19:25:52 -0500

Derrick Brashear wrote:
> On Tue, Nov 17, 2009 at 5:09 PM, Jason Edgecombe
> <jason@rampaginggeek.com> wrote:
>> Hi Everyone,
>> Our webserver has been brought to a crawl many times over the last few
>> weeks. I suspect it's an AFS bottleneck somewhere. I appreciate any help
>> I can get.
>> The web server runs solaris 9 w/openafs 1.4.1.
> is that correct?
> that's not even worth debugging. lots of things have been fixed since
> then, this could be something new or one of a dozen things already
> fixed.
Yes, 1.4.1 is correct.
I'm wondering if increasing the number of daemons would help. The afsd 
man page mentions that more than 5 or six daemons isn't helpful. I 
suspect that the number of apache daemons (75) is overwhelming the 
number of afsd threads/daemons (5).