<p>In Joel's article for Inc. entitled <a href="http://www.inc.com/magazine/20081101/how-hard-could-it-be-the-unproven-path.html" rel="nofollow noreferrer">How Hard Could It Be?: The Unproven Path</a>, he wrote:</p>

<blockquote>
  <p>...it turns out that Jeff and his
  programmers were so good that they
  built a site that could serve 80,000
  visitors a day (roughly 755,000 page
  views)</p>
</blockquote>

<p>How would I go about figuring out the maximum load my server(s) can handle?</p>

Apache has a tool called
```
ab
```
that you can use to benchmark a server. It can simulate loads requests and concurrency situations for you.