<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 TRANSITIONAL//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=UTF-8">
<META NAME="GENERATOR" CONTENT="GtkHTML/3.12.3">
</HEAD>
<BODY>
<BR>
<A HREF="http://www.transnexus.com/White%20Papers/asterisk_V1-4-11_performance.htm">http://www.transnexus.com/White%20Papers/asterisk_V1-4-11_performance.htm</A><BR>
<BR>
It was the bottom news item on voip-info.org - I was worried I would have to really search for it!<BR>
<BR>
later,<BR>
<BR>
PaulH<BR>
<BR>
<BR>
On Wed, 2008-01-23 at 18:30 -0500, Steve Totaro wrote:
<BLOCKQUOTE TYPE=CITE>
<PRE>
<FONT COLOR="#000000">Link?</FONT>
<FONT COLOR="#000000">Thanks,</FONT>
<FONT COLOR="#000000">Steve Totaro</FONT>
<FONT COLOR="#000000">On Jan 23, 2008 6:08 PM, Paul Hales <<A HREF="mailto:pdhales@optusnet.com.au">pdhales@optusnet.com.au</A>> wrote:</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> There was a cool paper written a a few months ago where they tested some</FONT>
<FONT COLOR="#000000">> older dell servers - full details of specs and tests were available.</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> PaulH</FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">> On Thu, 2008-01-24 at 08:54 +1100, Daniel Cole wrote:</FONT>
<FONT COLOR="#000000">> > Sorry to be a little OT.. But may I ask what some more of the specs</FONT>
<FONT COLOR="#000000">> > are for that machine? Just trying to get an idea of what different</FONT>
<FONT COLOR="#000000">> > hardware can achieve.</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > Thanks,</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > Daniel</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > ______________________________________________________________________</FONT>
<FONT COLOR="#000000">> > From: <A HREF="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</A></FONT>
<FONT COLOR="#000000">> > [mailto:<A HREF="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</A>] On Behalf Of Stephen</FONT>
<FONT COLOR="#000000">> > Davies</FONT>
<FONT COLOR="#000000">> > Sent: Thursday, 24 January 2008 7:57 AM</FONT>
<FONT COLOR="#000000">> > To: <A HREF="mailto:burke@tailorhosting.com">burke@tailorhosting.com</A>; Asterisk Users Mailing List -</FONT>
<FONT COLOR="#000000">> > Non-Commercial Discussion</FONT>
<FONT COLOR="#000000">> > Subject: Re: [asterisk-users] Asterisk scalability</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > I'm sure that an Asterisk developer can chime in and give</FONT>
<FONT COLOR="#000000">> > several examples</FONT>
<FONT COLOR="#000000">> > of how Asterisk uses its threads to increase scalability. That</FONT>
<FONT COLOR="#000000">> > said, there</FONT>
<FONT COLOR="#000000">> > will be a point where the number of core/CPU's won't be the</FONT>
<FONT COLOR="#000000">> > bottleneck so</FONT>
<FONT COLOR="#000000">> > adding more won't help anything.</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > Asterisk is highly multi-threaded and definitely takes advantage of</FONT>
<FONT COLOR="#000000">> > multiple cores.</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > There are a few places where concurrency could be further improved,</FONT>
<FONT COLOR="#000000">> > but its really quite good in 1.4. (IAX in 1.4 does handle traffic</FONT>
<FONT COLOR="#000000">> > using a thread pool so will take advantage of multiple cores).</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > By the way, I have a client with a four-core Xeon box doing SIP to IAX</FONT>
<FONT COLOR="#000000">> > conversion - that box can handle 1000 concurrent calls.</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> > Steve</FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">> ></FONT>
<FONT COLOR="#000000">></FONT>
<FONT COLOR="#000000">_______________________________________________</FONT>
<FONT COLOR="#000000">-- Bandwidth and Colocation Provided by <A HREF="http://www.api-digital.com">http://www.api-digital.com</A> --</FONT>
<FONT COLOR="#000000">asterisk-users mailing list</FONT>
<FONT COLOR="#000000">To UNSUBSCRIBE or update options visit:</FONT>
<FONT COLOR="#000000"> <A HREF="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</A></FONT>
</PRE>
</BLOCKQUOTE>
</BODY>
</HTML>