[Freeswitch-users] Thread failure with low CPU utilization?

[Vladislav Ivanov]

Centos 6,latest update. Via init script
On 14 Dec 2015 6:25 p.m., "Ken Rice" <krice at freeswitch.org> wrote:

> A)What platform are you running FreeSWITCH on? (eg: Debian 8 etc)
>
> b)How are you starting FreeSWITCH? (eg: in the foreground or background
> with an init script)
>
>
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Vladislav
> Ivanov
> *Sent:* Monday, December 14, 2015 9:47 AM
> *To:* freeswitch-users at lists.freeswitch.org
> *Subject:* [Freeswitch-users] Thread failure with low CPU utilization?
>
>
>
> Hello,
>
> I have 1.6.5 Freeswitch and I'm trying to test how much lines/cps it can
> handle on my test machine:
>
> CPU: Intel(R) Xeon(R) CPU E5450  @ 3.00GHz x2 (8 cores, 3 GHz)
> RAM: 32GB
> SSD: 500 GB
>
> I'm using call generator to check flood the freeswitch, but when FS gets
> 1k sessions it sends
> [CRIT] switch_core_session.c:1781 Thread Failure!
> and the Star Wars quote... But the CPU load is less than 10%
>
> Ulimit is as follows:
>
> core file size          (blocks, -c) 0
>
> data seg size           (kbytes, -d) unlimited
>
> scheduling priority             (-e) 0
>
> file size               (blocks, -f) unlimited
>
> pending signals                 (-i) 128330
>
> max locked memory       (kbytes, -l) 64
>
> max memory size         (kbytes, -m) unlimited
>
> open files                      (-n) 32768
>
> pipe size            (512 bytes, -p) 8
>
> POSIX message queues     (bytes, -q) 819200
>
> real-time priority              (-r) 0
>
> stack size              (kbytes, -s) 2048
>
> cpu time               (seconds, -t) unlimited
>
> max user processes              (-u) 32768
>
> virtual memory          (kbytes, -v) unlimited
>
> file locks                      (-x) unlimited
>
>
> Server is physical, not virtual, but I dont have the same issue with
> virtual freeswitch.
>
> Here is the "status" before the session limit:
>
> freeswitch at internal> status
>
> UP 0 years, 0 days, 0 hours, 0 minutes, 56 seconds, 137 milliseconds, 603
> microseconds
>
> FreeSWITCH (Version 1.6.5 git 70b8c17 2015-11-20 20:57:50Z 64bit) is ready
>
> 994 session(s) since startup
>
> 994 session(s) - peak 994, last 5min 994
>
> 40 session(s) per Sec out of max 200, peak 41, last 5min 41
>
> 10000 session(s) max
>
> min idle cpu 10.00/96.77
>
> Current Stack Size/Max 2048K/2048K
>
>
>
> freeswitch at internal> status
>
> UP 0 years, 0 days, 0 hours, 0 minutes, 56 seconds, 370 milliseconds, 877
> microseconds
>
> FreeSWITCH (Version 1.6.5 git 70b8c17 2015-11-20 20:57:50Z 64bit) is ready
>
> 1003 session(s) since startup
>
> 1003 session(s) - peak 1003, last 5min 1003
>
> 40 session(s) per Sec out of max 200, peak 41, last 5min 41
>
> 993 session(s) max
>
> min idle cpu 10.00/96.77
>
> Current Stack Size/Max 2048K/2048K
>
>
>
> freeswitch at internal> 2015-12-14 15:37:37.436968 [CRIT]
> switch_core_session.c:1781 Thread Failure!
>
> 2015-12-14 15:37:37.436968 [CRIT] switch_core_session.c:1737 LUKE: I'm
> hit, but not bad.
>
> 2015-12-14 15:37:37.436968 [CRIT] switch_core_session.c:1738 LUKE'S VOICE:
> Artoo, see what you can do with it. Hang on back there....
>
> Green laserfire moves past the beeping little robot as his head turns.
> After a few beeps and a twist of his mechanical arm,
>
> Artoo reduces the max sessions to 993 thus, saving the switch from certain
> doom.
>
> Any help with that? Really strange error...
>
> _________________________________________________________________________
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>
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