[Freeswitch-users] FreeSWITCH changing max_sessions automatically

[Muhammad Naseer Bhatti]

Yes, i was thinking on same lines. Its running over OpenVZ kernel. 
I am now going to try replicate this in a physical env. 

Sent from my iPad

> On Mar 27, 2014, at 9:11 PM, William King <william.king at quentustech.com> wrote:
> 
> Is your FS instance running in a virtual environment?
> 
> William King
> Senior Engineer
> Quentus Technologies, INC
> 1037 NE 65th St Suite 273
> Seattle, WA 98115
> Main:   (877) 211-9337
> Office: (206) 388-4772
> Cell:   (253) 686-5518
> william.king at quentustech.com
> 
>> On 03/27/2014 11:07 AM, Muhammad Naseer Bhatti wrote:
>> No i am definitely not going to that SPS limit. The peak was set to 400
>> so maybe this is just a skewed value. 1000 session does not look to be
>> high load. The call is bridged and set to play silence and disconnects
>> at random time under 1 minute.  The resources on the server also clearly
>> seem to be available. I am not gearing this towards a how do i ....
>> Performance kind of a thread but could there be something unusual here?
>> 
>> Sent from my iPad
>> 
>> On Mar 27, 2014, at 9:07 PM, Ken Rice <krice at freeswitch.org
>> <mailto:krice at freeswitch.org>> wrote:
>> 
>>> Re: [Freeswitch-users] FreeSWITCH changing max_sessions automatically
>>> You’re hitting a melt down protection... Once it reaches a limit and
>>> cant allocate the additional resources for creating anew session it
>>> will back down the max sessions limit to help save itself...
>>> 
>>> The PEAK SPS there was a value seen at some point the SPS buffer...
>>> Depending on you beating the machine to death it is possible that
>>> number got skewed due to a timer miss
>>> 
>>> 
>>> On 3/27/14 10:57 AM, "Muhammad Bhatti" <nbhatti at gmail.com> wrote:
>>> 
>>> 
>>>    Just have noticed something new today. Testing a local instance on
>>>    CentOS 6.0 with FreeSWITCH Version 1.2.23~64bit. FreeSWITCH seems
>>>    to be changing the max_sessions param automatically. This happens
>>>    when typically I bridge around 1000 sessions and whatever value I
>>>    set to sps and max_sessions, it comes down.
>>> 
>>>    UP 0 years, 0 days, 0 hours, 37 minutes, 54 seconds, 362
>>>    milliseconds, 294 microseconds
>>>    FreeSWITCH (Version 1.2.23  64bit) is ready
>>>    74716 session(s) since startup
>>>     *976 session(s) - peak 1022, last 5min 985
>>>    112 session(s) per Sec out of max 400, peak 9053, last 5min 317 <-
>>>    BTW This peak was never tried, not sure why it says 9053
>>>     5000 session(s) max
>>>    min idle cpu 0.00/55.00
>>>    Current Stack Size/Max 240K/8192K
>>> 
>>>    =======
>>>    followed by
>>>    =======
>>> 
>>>    switch_core_session.c:2288 Over Session Limit! 1013
>>>    mod_sofia.c:4884 Error Creating Session
>>> 
>>>    =======
>>>    And then
>>>    =======
>>> 
>>>    freeswitch at internal> status
>>>    UP 0 years, 0 days, 0 hours, 38 minutes, 35 seconds, 372
>>>    milliseconds, 831 microseconds
>>>    FreeSWITCH (Version 1.2.23  64bit) is ready
>>>    76231 session(s) since startup
>>>     560 session(s) - peak 1023, last 5min 1023
>>>    0 session(s) per Sec out of max 400, peak 9053, last 5min 317
>>>     1013 session(s) max
>>>    min idle cpu 0.00/99.00
>>>    Current Stack Size/Max 240K/8192K
>>> 
>>> 
>>>    Is this something changed recently? Or some sort of server
>>>    meltdown protection mechanism being forked :)
>>> 
>>> 
>>>    *
>>> 
>>> *
>>> *--
>>> Ken
>>> _http://www.FreeSWITCH.org
>>> http://www.ClueCon.com
>>> http://www.OSTAG.org
>>> _irc.freenode.net <http://irc.freenode.net> #freeswitch
>>> Twitter: @FreeSWITCH
>>> 
>>> _________________________________________________________________________
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>>> http://www.freeswitchsolutions.com
>>> 
>>> 
>>> 
>>> 
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>>> 
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>> 
>> 
>> _________________________________________________________________________
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>> http://www.freeswitchsolutions.com
>> 
>> 
>> 
>> 
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>> 
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> 
> _________________________________________________________________________
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> http://www.freeswitchsolutions.com
> 
> 
> 
> 
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> 
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