[Freeswitch-users] FreeSWITCH changing max_sessions automatically

Ken Rice krice at freeswitch.org
Thu Mar 27 21:07:42 MSK 2014


You¹re 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
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