From: Robert Klemme <shortcutter@...>
Date: 2009-09-11T15:05:12+09:00
Subject: Re: Global Mutex?

On 11.09.2009 04:30, Aryk Grosz wrote:
> I actually ran into that global bottleneck issue when ruby processes 
> would get KILLED midprocess leaving this lock file. I added a "cleanup" 
> action which makes sure the PID file is no being occupied by a process 
> that doesn't exist.

Actually that was not what I meant.  I referred to the fact that if you 
have a single global lock that all concurrent processes must acquire, 
then your overall performance will suffer.

> Thanks for the pointers guys. I think my solution is 98% robust.

Let's see...  That makes 365 days * 2% = 7.3 days downtime per year. ;-)

Cheers

	robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/