It just happened again. I had to restart apache twice. At one point I saw
135 apache processes running. And heavy traffic that I think is coming
from memcache, but I'm not sure. Maybe I need to clear the cache?
On Tuesday, September 10, 2013 8:09:39 AM UTC-7, Steve wrote:
> I know this is a shot in the dark, but I was hoping people with more
> apache experience and better knowledge of RB might be able to give me some
> pointers. We're running RB 1.7.12 on a Centos6 box on a very beefy machine
> which is dedicated to RB. We're using MySQL and perforce and have close to
> 900 users. About twice a week (sometimes more) the load average on the
> server spikes into the hundreds and the server becomes unresponsive. The
> only recourse is to stop apache, wait for the load average to come down and
> then restart. Sometimes when we restart, it spikes again immediately so we
> typically pause for a bit and let the load average get down under 1 before
> restarting. When this happens, it looks like there a way more apache
> processes running than there should be. We're using the default settings
> for apache on linux, which I believe limits the number of connections. It
> also looks like there's a lot of traffic going from apache to memcache,
> which is running on the same machine.
> I know this is not much to go on, but I was hoping someone who has
> experience with fine-tuning RB on a linux server might give me some
> pointers as to where to begin.
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