For very high traffic loads, I have yet to find anything that compares to wrk (<a href="https:&#x2F;&#x2F;github.com&#x2F;giltene&#x2F;wrk2" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;giltene&#x2F;wrk2</a>).  IME, it scales better and more efficiently than anything else I&#x27;ve tried, short of complex distributed tools that are only relevant to a small number of people.