On 1/17/07, <b class="gmail_sendername">Jarrod Roberson</b> &lt;<a href="mailto:jarrod@vertigrated.com">jarrod@vertigrated.com</a>&gt; wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I we have a basic twisted server that we have doing nothing but dropping received bits on the floor, and sending back a static response.</blockquote><div><br>&nbsp;Post your code somewhere. Perhaps you are doing something horribly wrong.
<br></div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Anyone have any idea why we are seeing such poor performance on Solaris?<br>Is it the Sparc hardware?
</blockquote><div><br>Sparc processors aren&#39;t exactly well known for their blazing speed. Try a trivial CPU benchmark like hashcash. The Sparc box might be better at concurrency, but your Twisted benchmark is probably not using multiple CPUs.
<br></div><br>Also, Twisted 2.5 includes an epoll reactor. It should scale considerably better than poll, but you need a 2.6 Linux kernel for it.<br><br></div>