A recent article on a job queue, Beanstalkd:<p><a href="http://www.topbit.co.uk/serendipity/archives/21-Doing-the-work-elsewhere-Asynchronous-Message-Queues.html" rel="nofollow">http://www.topbit.co.uk/serendipity/archives/21-Doing-the-wo...</a><p>Beanstalkd is described at the link below, and was originally designed
to help handle the Facebook Causes app, with a claimed 9.5
million users.
<a href="http://xph.us/software/beanstalkd/" rel="nofollow">http://xph.us/software/beanstalkd/</a>