I had a similar issue a while back after having a blog post of mine featured on HN front page for some time. The problem is really apache. Either configure apac

I had a similar issue a while back after having a blog post of mine featured on HN front page for some time. The problem is really apache. Either configure apache with workers (which is ain't the default config) or add nginx in front. You might be interested in this particular post: http://blog.rassemblr.com/2011/01/wordpress-need-for-speed-optimization-with-nginx-caching/ http://blog.rassemblr.com/2011/01/wordpress-need-for-speed-o... This has been throughly tested with yet another post on HN front page a while later! My blog handled the load without a glitch. Looks like I'm replying with the same comment over and over again. But I have to share nginx love :-)