> If the blog supports comments, it needs to talk to databases. Sure, but it doesn't have to fall over. Outsourcing to Disqus is the easiest solution, but you

> If the blog supports comments, it needs to talk to databases. Sure, but it doesn't have to fall over. Outsourcing to Disqus is the easiest solution, but you can build your own AJAXy solution. Or just write out a new static file for each comment (if you're really overloaded, comments may take a while to be processed, but you can just serve the old page in the interim.)