<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">I think that version wouldn’t have been using timerfd. Using timerfd SHOULD be way more stable and less cpu, if its not, that would indicate an issue with the vm of some sort.</div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Apr 18, 2017, at 1:15 PM, David Ponzone <<a href="mailto:david.ponzone@gmail.com" class="">david.ponzone@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Ah I feel better :)<div class=""><br class=""></div><div class="">To the OP, Bilal:</div><div class=""><br class=""></div><div class="">on a FS 1.5 running on KVM (running on a Dell R610), I have timer_test giving quite stable results:</div><div class=""><br class=""></div><div class=""><div class="">2017-04-18 19:11:41.205316 [CONSOLE] mod_commands.c:846 Timer Test: 1 sleep 20 19994</div><div class="">2017-04-18 19:11:41.225341 [CONSOLE] mod_commands.c:846 Timer Test: 2 sleep 20 20001</div><div class="">2017-04-18 19:11:41.245338 [CONSOLE] mod_commands.c:846 Timer Test: 3 sleep 20 20020</div><div class="">2017-04-18 19:11:41.265341 [CONSOLE] mod_commands.c:846 Timer Test: 4 sleep 20 19981</div><div class="">2017-04-18 19:11:41.285341 [CONSOLE] mod_commands.c:846 Timer Test: 5 sleep 20 20023</div><div class="">2017-04-18 19:11:41.305354 [CONSOLE] mod_commands.c:846 Timer Test: 6 sleep 20 19990</div><div class="">2017-04-18 19:11:41.325343 [CONSOLE] mod_commands.c:846 Timer Test: 7 sleep 20 20011</div><div class="">2017-04-18 19:11:41.345343 [CONSOLE] mod_commands.c:846 Timer Test: 8 sleep 20 19978</div><div class="">2017-04-18 19:11:41.365339 [CONSOLE] mod_commands.c:846 Timer Test: 9 sleep 20 20020</div><div class="">2017-04-18 19:11:41.385347 [CONSOLE] mod_commands.c:846 Timer Test: 10 sleep 20 19984</div><div class="">2017-04-18 19:11:41.405335 [CONSOLE] mod_commands.c:846 Timer Test: 11 sleep 20 20010</div><div class="">2017-04-18 19:11:41.425347 [CONSOLE] mod_commands.c:846 Timer Test: 12 sleep 20 19990</div><div class="">2017-04-18 19:11:41.445336 [CONSOLE] mod_commands.c:846 Timer Test: 13 sleep 20 20014</div><div class="">2017-04-18 19:11:41.465337 [CONSOLE] mod_commands.c:846 Timer Test: 14 sleep 20 19983</div><div class="">2017-04-18 19:11:41.485344 [CONSOLE] mod_commands.c:846 Timer Test: 15 sleep 20 20028</div><div class="">2017-04-18 19:11:41.505372 [CONSOLE] mod_commands.c:846 Timer Test: 16 sleep 20 19988</div><div class="">2017-04-18 19:11:41.525370 [CONSOLE] mod_commands.c:846 Timer Test: 17 sleep 20 20038</div><div class="">2017-04-18 19:11:41.545372 [CONSOLE] mod_commands.c:846 Timer Test: 18 sleep 20 19968</div><div class="">2017-04-18 19:11:41.565369 [CONSOLE] mod_commands.c:846 Timer Test: 19 sleep 20 20024</div><div class="">2017-04-18 19:11:41.585372 [CONSOLE] mod_commands.c:846 Timer Test: 20 sleep 20 19982</div><div class="">2017-04-18 19:11:41.605312 [CONSOLE] mod_commands.c:846 Timer Test: 21 sleep 20 19966</div><div class="">2017-04-18 19:11:41.625345 [CONSOLE] mod_commands.c:846 Timer Test: 22 sleep 20 20007</div><div class="">2017-04-18 19:11:41.645357 [CONSOLE] mod_commands.c:846 Timer Test: 23 sleep 20 20035</div><div class="">2017-04-18 19:11:41.665372 [CONSOLE] mod_commands.c:846 Timer Test: 24 sleep 20 19992</div><div class="">2017-04-18 19:11:41.685369 [CONSOLE] mod_commands.c:846 Timer Test: 25 sleep 20 20020</div><div class="">2017-04-18 19:11:41.705376 [CONSOLE] mod_commands.c:846 Timer Test: 26 sleep 20 19984</div><div class="">2017-04-18 19:11:41.725375 [CONSOLE] mod_commands.c:846 Timer Test: 27 sleep 20 20022</div><div class="">2017-04-18 19:11:41.745370 [CONSOLE] mod_commands.c:846 Timer Test: 28 sleep 20 20093</div><div class="">2017-04-18 19:11:41.765370 [CONSOLE] mod_commands.c:846 Timer Test: 29 sleep 20 19902</div><div class="">2017-04-18 19:11:41.785367 [CONSOLE] mod_commands.c:846 Timer Test: 30 sleep 20 19974</div><div class="">2017-04-18 19:11:41.805341 [CONSOLE] mod_commands.c:846 Timer Test: 31 sleep 20 19996</div><div class="">2017-04-18 19:11:41.825329 [CONSOLE] mod_commands.c:846 Timer Test: 32 sleep 20 20081</div><div class="">2017-04-18 19:11:41.845368 [CONSOLE] mod_commands.c:846 Timer Test: 33 sleep 20 19953</div><div class="">2017-04-18 19:11:41.865376 [CONSOLE] mod_commands.c:846 Timer Test: 34 sleep 20 20105</div><div class="">2017-04-18 19:11:41.885376 [CONSOLE] mod_commands.c:846 Timer Test: 35 sleep 20 19967</div><div class="">2017-04-18 19:11:41.905350 [CONSOLE] mod_commands.c:846 Timer Test: 36 sleep 20 19882</div><div class="">2017-04-18 19:11:41.925347 [CONSOLE] mod_commands.c:846 Timer Test: 37 sleep 20 20021</div><div class="">2017-04-18 19:11:41.945378 [CONSOLE] mod_commands.c:846 Timer Test: 38 sleep 20 20007</div><div class="">2017-04-18 19:11:41.965332 [CONSOLE] mod_commands.c:846 Timer Test: 39 sleep 20 19983</div><div class="">2017-04-18 19:11:41.985333 [CONSOLE] mod_commands.c:846 Timer Test: 40 sleep 20 19967</div><div class="">2017-04-18 19:11:42.005327 [CONSOLE] mod_commands.c:846 Timer Test: 41 sleep 20 20001</div><div class="">2017-04-18 19:11:42.025337 [CONSOLE] mod_commands.c:846 Timer Test: 42 sleep 20 20008</div><div class="">2017-04-18 19:11:42.045334 [CONSOLE] mod_commands.c:846 Timer Test: 43 sleep 20 20005</div><div class="">2017-04-18 19:11:42.065360 [CONSOLE] mod_commands.c:846 Timer Test: 44 sleep 20 20018</div><div class="">2017-04-18 19:11:42.085372 [CONSOLE] mod_commands.c:846 Timer Test: 45 sleep 20 20039</div><div class="">2017-04-18 19:11:42.105377 [CONSOLE] mod_commands.c:846 Timer Test: 46 sleep 20 19978</div><div class="">2017-04-18 19:11:42.125370 [CONSOLE] mod_commands.c:846 Timer Test: 47 sleep 20 20015</div><div class="">2017-04-18 19:11:42.145372 [CONSOLE] mod_commands.c:846 Timer Test: 48 sleep 20 19980</div><div class="">2017-04-18 19:11:42.165376 [CONSOLE] mod_commands.c:846 Timer Test: 49 sleep 20 20027</div><div class="">2017-04-18 19:11:42.185368 [CONSOLE] mod_commands.c:846 Timer Test: 50 sleep 20 19969</div><div class=""><br class=""></div><div class="">Be sure to enable softtimer in switch.conf.xml</div><div class="">timer_test was far less table without it.</div><div class=""><br class=""></div><div class="">
<span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; " class=""><div style="" class=""><span class="Apple-style-span" style="color: rgb(0, 34, 243); font-family: 'Helvetica Neue'; "><font class="Apple-style-span" color="#1C00FF">David Ponzone<font class="Apple-style-span" face="Arial" size="2"><span class="Apple-converted-space"> </span> </font></font></span><span class="Apple-style-span" style="color: rgb(0, 34, 243); font-family: 'Helvetica Neue'; "><font class="Apple-style-span">Direction Technique</font></span></div><div class=""><div style="font-family: Arial; font-size: 10px; " class=""><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">email: <a href="mailto:david.ponzone@ipeva.fr" class="">david.ponzone@ipeva.fr</a></span></font></font></div><div style="font-family: Arial; font-size: 10px; " class=""><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">tel: 01 74 03 18 97</span></font></font></div><div style="font-family: Arial; font-size: 10px; " class=""><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">gsm: 06 66 98 76 34</span></font></font></div><div style="color: rgb(0, 34, 243); font-family: Arial; font-size: 10px; " class=""><font class="Apple-style-span" face="'Helvetica Neue'"><br class=""></font></div><div style="color: rgb(0, 34, 243); " class=""><font class="Apple-style-span" color="#1C00FF" face="'Helvetica Neue'">Service Client </font><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" color="#FF0000">IP</font></font><font class="Apple-style-span" color="#1C00FF" face="'Helvetica Neue'">eva</font></div><div style="color: rgb(0, 34, 243); font-family: Arial; font-size: 10px; " class=""><font class="Apple-style-span" color="#1C00FF" face="'Helvetica Neue'"><span class="Apple-style-span" style="font-family: Helvetica;"><div class=""><font class="Apple-style-span" face="'Helvetica Neue'"><font class="Apple-style-span" size="3"><span class="Apple-style-span" style="font-size: 13px; ">tel: 0811 46 26 26</span></font></font></div><div class=""><font class="Apple-style-span" face="'Helvetica Neue'" size="3"><span class="Apple-style-span" style="font-size: 13px; "><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Arial; color: rgb(0, 34, 243); " class=""><span style="text-decoration: underline; " class=""><a href="blocked::http://www.ipeva.fr/" class="">www.ipeva.fr</a></span><span style="color: rgb(101, 104, 149); " class=""> - <span style="color: rgb(0, 34, 243); text-decoration: underline; " class=""><a href="blocked::http://www.ipeva-studio.com/" class="">www.ipeva-studio.com</a></span></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Arial; color: rgb(0, 34, 243); " class=""><span class="Apple-style-span" style="text-decoration: underline; "><br class=""></span></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; font: normal normal normal 10px/normal Arial; color: rgb(0, 34, 243); " class=""><span class="Apple-style-span"><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; text-align: justify; font: normal normal normal 10px/normal Arial; color: rgb(192, 192, 192); " class=""><i class="">Ce message et toutes les pièces jointes sont confidentiels et établis à l'intention exclusive de ses destinataires. Toute utilisation ou diffusion non autorisée est interdite. Tout message électronique est susceptible d'altération. </i><b class=""><i class="">IPeva</i></b><i class=""> décline toute responsabilité au titre de ce message s'il a été altéré, déformé ou falsifié. Si vous n'êtes pas destinataire de ce message, merci de le détruire immédiatement et d'avertir l'expéditeur.</i></div><div class=""><i class=""><br class=""></i></div></span></div></span></font></div></span></font></div></div></div></span><br class="Apple-interchange-newline"></span><br class="Apple-interchange-newline">
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<br class=""><div class=""><blockquote type="cite" class=""><div class="">Le 18 avr. 2017 à 18:56, Anthony Minessale <<a href="mailto:anthony.minessale@gmail.com" class="">anthony.minessale@gmail.com</a>> a écrit :</div><br class="Apple-interchange-newline"><div class=""><div class="">In general when a thread about performance or vm turns to lots of theories. This is a science so we need facts to diagnose and its often not possible once we get this far down the rabbit hole. To the contrary, asking about timer test was a good start!</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div class="gmail_quote"><div class="">On Tue, Apr 18, 2017 at 11:41 AM Michael Jerris <<a href="mailto:mike@jerris.com" class="">mike@jerris.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">Superstition comment was in regards to tc malloc, not you.<div class=""><br class=""><div class=""><blockquote type="cite" class=""></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class="">On Apr 18, 2017, at 7:35 AM, David Ponzone <<a href="mailto:david.ponzone@gmail.com" target="_blank" class="">david.ponzone@gmail.com</a>> wrote:</div><br class="m_-8579652609755085387Apple-interchange-newline"></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap:break-word" class=""><div class="">Anthony,</div><div class=""><br class=""></div>Could you elaborate a little bit more on why I am being superstitious ?<div class="">Is timer_test command obsolete ?</div><div class="">Or is it a way to emphase the fact that you won’t support FS on VM, anyway ?</div><div class=""><br class=""></div></div></div></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class="">Le 17 avr. 2017 à 23:27, Anthony Minessale <<a href="mailto:anthony.minessale@gmail.com" target="_blank" class="">anthony.minessale@gmail.com</a>> a écrit :</div><br class="m_-8579652609755085387Apple-interchange-newline"></blockquote></div></div></div></div></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="">I believe we may be stumbling into superstition at this point.<div class=""><br class=""></div></div></div></blockquote></div></div></div></div></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="gmail_extra"><div class="gmail_quote">On Fri, Apr 14, 2017 at 6:03 PM, David Ponzone <span class=""><<a href="mailto:david.ponzone@gmail.com" target="_blank" class="">david.ponzone@gmail.com</a>></span> wrote:<br class=""></div></div></div></blockquote></div></div></div></div></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class="">Did you run the timer_test command ?</div></blockquote></div></div></div></blockquote></div></div></div></div></blockquote></div></div></div><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div style="word-wrap:break-word" class=""><div class=""><div class=""><blockquote type="cite" class=""><div class=""><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word" class=""><div class=""><div class=""><div class="m_-8579652609755085387h5"><div class=""><blockquote type="cite" class=""><div class="">Le 14 avr. 2017 à 23:04, Bilal Dar <<a href="mailto:bilal@rgate-systems.com" target="_blank" class="">bilal@rgate-systems.com</a>> a écrit :</div><br class="m_-8579652609755085387m_7398230337600912797Apple-interchange-newline"><div class=""><div class="">The issue triggered when I ran out of inodes on the server, even after freeing inodes things never went back to normal. I was running earlier m3.large and now moved to m3.2xlarge servers, CPU/memory utilization is negligible. <div class=""><div class=""><br class=""></div><div class=""><div class="">Model vCPU Mem (GiB) SSD Storage (GB) </div><div class="">m3.large 2 7.5 1 x 32 </div><div class="">m3.2xlarge 8 30 2 x 80 </div></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Fri, Apr 14, 2017 at 1:53 PM, Colin Morelli <span class=""><<a href="mailto:colin.morelli@gmail.com" target="_blank" class="">colin.morelli@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div class="">Robert,<div class=""><br class=""></div><div class="">While I'd love to see VMs provide more stable ground for FS, it's simply not the best task for a VM. Virtual machines scale well specifically because you can overprovision them. It would not be nearly as cost-effective to run VMs if each instance had a guaranteed dedicated slice of hardware to operate on. While hypervisors are <i class="">very</i> good at task prioritization, they're not perfect. If the hypervisor can't schedule processor time when FS needs it because the CPU cores are momentarily taken on other tasks, there's not a whole lot FS can do. This is not an issue with just FS, but with all real-time applications. In most apps, even large clock skews and bad hypervisors schedulers can go completely unnoticed. If there's consistent 5-10ms every time you click to load a web page, you'd probably have no idea. If there's 5-10ms jitter every time you try to read 20ms of audio, you have <i class="">really bad</i> audio. Granted most skews are not that bad, but the effects are pronounced when you're dealing with data that's real-time in nature.</div><div class=""><br class=""></div><div class="">Bilal,</div><div class=""><br class=""></div><div class="">I have no idea what AMI you're running, but a very rough "ear test" has made me fairly confident that I can get better performance running AmazonLinux AMIs over Ubuntu (and probably many others). It wouldn't surprise me if AmazonLinux builds a custom kernel that has been tuned to run better on AWS hardware. I'd say it's at least worth a quick experiment.</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Colin</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote"><div class=""><div class="m_-8579652609755085387m_7398230337600912797gmail-h5">On Fri, Apr 14, 2017 at 4:34 PM, Mundkowsky, Robert <span class=""><<a href="mailto:rmundkowsky@ets.org" target="_blank" class="">rmundkowsky@ets.org</a>></span> wrote:<br class=""></div></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div class=""><div class="m_-8579652609755085387m_7398230337600912797gmail-h5">
<div lang="EN-US" class="">
<div class="m_-8579652609755085387m_7398230337600912797gmail-m_-470338840461164024m_-5335504817902696112WordSection1"><p class="MsoNormal"><a name="m_-8579652609755085387_m_7398230337600912797_m_-470338840461164024_m_-5335504817902696112__MailEndCompose" class=""><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class="">Michael<u class=""></u><u class=""></u></span></a></p><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal" style="text-indent:0.5in"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class="">Just curious, why so many problems with VMs?<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal" style="text-indent:0.5in"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class="">I would think most applications need real time clocks that provide consistent valid data?<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class="">Bilal,<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class=""><u class=""></u> <u class=""></u></span></p><p class="MsoNormal" style="text-indent:0.5in"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class="">you might try a larger AWS instance to make sure your are getting 100% of the box; might help some.<u class=""></u><u class=""></u></span></p><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class=""><u class=""></u> <u class=""></u></span></p>
<div class=""><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class="">Robert
<u class=""></u><u class=""></u></span></p>
</div><p class="MsoNormal"><span style="font-size:11pt;font-family:calibri,sans-serif;color:rgb(31,73,125)" class=""><u class=""></u> <u class=""></u></span></p>
<div class="">
<div style="border-style:solid none none;border-top-width:1pt;border-top-color:rgb(225,225,225);padding:3pt 0in 0in" class=""><p class="MsoNormal"><b class=""><span style="font-size:11pt;font-family:calibri,sans-serif" class="">From:</span></b><span style="font-size:11pt;font-family:calibri,sans-serif" class=""> <a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank" class="">freeswitch-users-bounces@lists.freeswitch.org</a> [mailto:<a href="mailto:freeswitch-users-bounces@lists.freeswitch.org" target="_blank" class="">freeswitch-users-bounces@lists.freeswitch.org</a>]
<b class="">On Behalf Of </b>Michael Jerris<br class="">
<b class="">Sent:</b> Friday, April 14, 2017 4:25 PM<br class="">
<b class="">To:</b> FreeSWITCH Users Help <<a href="mailto:freeswitch-users@lists.freeswitch.org" target="_blank" class="">freeswitch-users@lists.freeswitch.org</a>><br class="">
<b class="">Subject:</b> Re: [Freeswitch-users] Choppy audio when conferencing 4+ participants<u class=""></u><u class=""></u></span></p>
</div>
</div><div class=""><div class="m_-8579652609755085387m_7398230337600912797gmail-m_-470338840461164024h5"><p class="MsoNormal"><u class=""></u> <u class=""></u></p><p class="MsoNormal">can you reproduce the same issue on real hardware? We’ve seen all kinds of weird timing issues that could account for this running on aws.<u class=""></u><u class=""></u></p>
<div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p>
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<blockquote style="margin-top:5pt;margin-bottom:5pt" class="">
<div class=""><p class="MsoNormal">On Apr 14, 2017, at 4:16 PM, Bilal Dar <<a href="mailto:bilal@rgate-systems.com" target="_blank" class="">bilal@rgate-systems.com</a>> wrote:<u class=""></u><u class=""></u></p>
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<div class=""><p class="MsoNormal">Its an AWS <span style="font-size:10.5pt;font-family:arial,sans-serif;color:rgb(51,51,51)" class="">m3.2xlarge instance.</span><u class=""></u><u class=""></u></p>
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<div class=""><p class="MsoNormal"><u class=""></u> <u class=""></u></p>
<div class=""><p class="MsoNormal">On Fri, Apr 14, 2017 at 9:57 AM, Michael Jerris <<a href="mailto:mike@jerris.com" target="_blank" class="">mike@jerris.com</a>> wrote:<u class=""></u><u class=""></u></p>
<blockquote style="border-style:none none none solid;border-left-width:1pt;border-left-color:rgb(204,204,204);padding:0in 0in 0in 6pt;margin-left:4.8pt;margin-right:0in" class=""><p class="MsoNormal" style="margin-bottom:12pt">Real hardware or VM?<br class="">
<br class="">
> On Apr 14, 2017, at 12:48 PM, Bilal Dar <<a href="mailto:bilal@rgate-systems.com" target="_blank" class="">bilal@rgate-systems.com</a>> wrote:<br class="">
><br class="">
> I have been struggling with an issue for almost 2 weeks.<br class="">
><br class="">
> Our regular calls have no quality issue and looking RTCP statistics network conditions are perfect. We have normally on peak hr 60 calls and around 10 conferences.<br class="">
><br class="">
> We have noticed that when we have 2 conferences of 4 or 5 participants, audio starts breaking for the users who are on conference. Regular calls do not experience any quality degradation.<br class="">
><br class="">
> I upgraded the server to specs of 30Gig memory and 8 vCPU but still the issue exists. Common thing I have noticed even during off-peak hrs is that two 4+ participant call can cause the issue.<br class="">
><br class="">
> I have ruled out network & hardware. Last change I made was moved all users to G.711 from G.722. Now I am not sure what other steps I can take. Appreciate any suggestions.<u class=""></u><u class=""></u></p>
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