<span style="background-color: transparent; ">On Mon, Nov 7, 2011 at 11:41 PM, Matthias Radestock </span><span dir="ltr" style="background-color: transparent; "><<a href="mailto:matthias@rabbitmq.com">matthias@rabbitmq.com</a>></span><span style="background-color: transparent; "> wrote:</span><br>
<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Al,<div class="im"><br>
<br>
On 08/11/11 00:18, Al Tobey wrote:<br>
</div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">
I mentioned some performance issues I experienced over the weekend with<br>
STOMP on Twitter and @monadic asked me to send an email, so here it is.<br></div>
[...]<br>
</blockquote>
<br>
What changed between...</blockquote><div><br></div><div>1.) We started paying attention and caring about delays</div><div>2.) Load increased, by as much as 2x depending on time of day</div><div><br></div><div>When I say "seemed to be working fine", that was right after putting everything together and verifying that messages were flowing at something that, to my eyeballs, seemed like a reasonable rate. Right after startup, I didn't really watch for any kind of delay because I was basically doing "<a href="http://stomp_drainer.pl">stomp_drainer.pl</a> |pv >/dev/null".</div>
<div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div class="im">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Everything seemed to be working fine when I set it up. Messages were<br>
going in and coming out just fine at 5000-6000 messages/s (both sides<br>
stomp).<br>
</blockquote>
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...and...<br>
<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">
we started to notice that there was anywhere from 30-600 seconds of lag<br>
between the logs and his client (a dead-simple Ruby app using<br></div>
net-stomp). [...] ~1200 messages/s is the observed limit<br>
</blockquote>
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?<br><font color="#888888">
<br>
Matthias.<br>
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