<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi David,<div class=""><br class=""></div><div class="">You don’t perhaps have the “max-sessions” in your switch.conf.xml left at the default 1000?</div><div class=""><br class=""></div><div class="">Best Regards</div><div class=""><br class=""></div><div class="">Keith</div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 10 Jul 2020, at 20:53, David Villasmil <<a href="mailto:david.villasmil.work@gmail.com" class="">david.villasmil.work@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Hello all,<div class=""><br class=""></div><div class="">Let's assume i have a 28 CPU (56 cores) with 64gb RAM.</div><div class="">I'm load-testing that box with something like this:</div><div class=""><br class=""></div><div class=""><font face="monospace" class="">SIPp->--\ /----> FS1</font></div><div class=""><font face="monospace" class=""> ---->FS</font></div><div class=""><font face="monospace" class="">SIPp->--/ \----> FS2</font></div><div class=""><font face="arial, sans-serif" class=""><br class=""></font></div><div class=""><font face="arial, sans-serif" class="">SIPp is simply sending calls with rtp to FS.</font></div><div class=""><font face="arial, sans-serif" class="">FS just forward the calls to FS1 and FS2 based on some very simple decision.</font></div><div class=""><font face="arial, sans-serif" class="">FS1 and FS2 simply answer and execute echo.</font></div><div class=""><font face="arial, sans-serif" class="">At ~2000 channels FS fails to reply to some SIP messages, basically calls are timing out, answer ratio goes down.</font></div><div class=""><font face="arial, sans-serif" class="">BUT CPU never goes over 45% on the FS and memory is ample. I don't see packe drops on the interface. </font></div><div class=""><font face="arial, sans-serif" class="">FS is running in a docker.</font></div><div class=""><font face="arial, sans-serif" class=""><br class=""></font></div><div class=""><font face="arial, sans-serif" class="">I'm wondering whether FS would use all of the available CPU or am I hitting some other limit somewhere.</font></div><div class=""><font face="arial, sans-serif" class=""><br class=""></font></div><div class=""><font face="arial, sans-serif" class="">Any insight is welcomed!</font></div><div class=""><font face="monospace" class=""><br class=""></font></div><div class=""><font face="monospace" class=""><br clear="all" class=""></font><div class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><div class="">Regards,</div><div class=""><br class=""></div>David Villasmil<div class="">email: <a href="mailto:david.villasmil.work@gmail.com" target="_blank" class="">david.villasmil.work@gmail.com</a></div><div class="">phone: +34669448337</div></div></div></div></div></div>
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