Hi, I can not tell you about everybody, but usually when I get this problem 99% of the time the issue is on the provider side. I would try to reproduce this issue by myself and capture pcap files and analyze those. With kind regards, Jurijs On Wed, Oct 6, 2021 at 7:43 PM John Hardiman < john.hardiman@missionlabs.co.uk> wrote:
Hi Christoph,
For the CPU part: On linux boxes if a process in top goes over 100% or top shows >1.0 in load, this means that more than one core is occupied. Since you have 16 cores this is fine as you are using 1/16 of your CPU for the FreeSWITCH process. So 200% would be 2 cores fully used etc, etc.
For the Jitter part/dropping MoS, we might need a bit more info, like times or patterns that is happens or even what the MoS drops by and how much jitter is seen. I personally use SNGrep and a combination of Homer/VoIPMonitor to get all of the stuff I need.
Accurate monitoring will point you in the right direction if there is an issue (Homer 7 is free and really good as a side note)
Thanks,
John.
-----Original Message----- From: Christoph Russow <russow@emtex.de> Sent: 05 October 2021 10:34 To: freeswitch-users@lists.freeswitch.org Subject: [Freeswitch-users] Jitter and dropping MOS score
Hi all,
we are currently experiencing jitter and dropping MOS score on an increasing amount of calls on our system.
i can't see any increased load on our system (neither CPU nor I/O wise).
Current stats:
~ 15Mbit/s network traffic (on a 1Gbit/s network) load average: 1,10, 0,82, 0,91 (16 core machine) memory used: 2,26GB/16GB
freeswitch@lc1> status UP 0 years, 12 days, 13 hours, 30 minutes, 24 seconds, 649 milliseconds, 831 microseconds FreeSWITCH (Version 1.10.1 -release-12-f9990221e6 64bit) is ready 137634 session(s) since startup 218 session(s) - peak 245, last 5min 222 1 session(s) per Sec out of max 30, peak 8, last 5min 2 1000 session(s) max min idle cpu 0.00/95.37 Current Stack Size/Max 244K/244K
System ist not virtualized.
the only "strange" thing i see is the freeswitch "main"process that consumes (according to htop) >=100% cpu (see attached screenshot). Can this be the problem? if yes what can i do against it.
if not what are possible bottlenecks i should weed out?
if you need any additional informations to help me sort out this problem please don't hesitate to ask.
Thanks in advance and best regards Christoph
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