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<p class="MsoNormal"><span style="color:#1F497D">Hi Daniel,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Oh I missed the reply for some reason. Thank you very much for both replying and reminding
</span><span style="font-family:Wingdings;color:#1F497D">J</span><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">We do want to receive the replies so closing the connection isn’t an option. Listening on multiple tcp ports sound like a good temporary solution, but lack of scalability?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Allen<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:EN-NZ">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext;mso-fareast-language:EN-NZ">
Daniel-Constantin Mierla [mailto:miconda@gmail.com] <br>
<b>Sent:</b> Thursday, 11 July 2013 9:58 p.m.<br>
<b>To:</b> Kamailio (SER) - Users Mailing List; Allen Zhang<br>
<b>Subject:</b> Re: [SR-Users] how to make dispatcher module use more than one tcp connections to the destinations?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hello,<br>
<br>
have you seen the reply:<br>
<br>
<a href="http://lists.sip-router.org/pipermail/sr-users/2013-July/078830.html">http://lists.sip-router.org/pipermail/sr-users/2013-July/078830.html</a><br>
<br>
?<br>
<br>
Cheers,<br>
Daniel<o:p></o:p></p>
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<p class="MsoNormal">On 7/10/13 11:04 PM, Allen Zhang wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi list,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I have a loadbalancer before sipproxies. I call t_reley() on the dispatcher to forward requests to destinations.<o:p></o:p></p>
<p class="MsoNormal">All goes well under low load.<o:p></o:p></p>
<p class="MsoNormal">But when load goes up to 500 requests/s, the loadbalancer still sends requests via only one tcp connection. This maxes out the tcp write queue.<o:p></o:p></p>
<p class="MsoNormal">Of course I can increase the ‘tcp_conn_wq_max’ value but it doesn’t solve the root problem.<o:p></o:p></p>
<p class="MsoNormal">How do I make the loadbalancer start a new tcp connection to the destination when existing one becomes too busy? (Is it possible?)<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Regards,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Allen<o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-NZ"><br>
<br>
<o:p></o:p></span></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list<o:p></o:p></pre>
<pre><a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><o:p></o:p></pre>
<pre><a href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:EN-NZ"><o:p> </o:p></span></p>
<pre>-- <o:p></o:p></pre>
<pre>Daniel-Constantin Mierla - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
<pre><a href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a><o:p></o:p></pre>
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