[Freeswitch-users] FS stress test issue

[Vincent Xia]

my network card: Intel(R) PRO/1000 MT Network Connection, and all calls
have the media going through FS(everything is in the same LAN), cuz
sometimes i need to do recording, but no with stress testing, as it will
make significant burden to the system.


2013/6/20 William King <william.king at quentustech.com>

> Vincent,
>
> What network card hardware are you using? UDP packets on cheap
> networking cards are very sensitive to a lack of idle cpu time. I've
> seen many models of RealTek cards that will start dropping over 10% of
> all UDP packets if your CPU idle drops below ~50%. In my experience
> server grade Intel network cards are much better, but even these will
> start dropping ~5-10% of UDP packets if your CPU idle gets below 15%.
>
> Also do these calls have the media going through this box? or through an
> external media gateway?
>
> William King
> Senior Engineer
> Quentus Technologies, INC
> 1037 NE 65th St Suite 273
> Seattle, WA 98115
> Main:   (877) 211-9337
> Office: (206) 388-4772
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> william.king at quentustech.com
>
> On 06/19/2013 07:55 PM, Vincent Xia wrote:
> > I've doubled CPU capability, now the CPU usage at 1000 calls is around
> > 50%, but call loss is still 10-20%, maybe Brian is right, don't try more
> > than 500 calls.
> >
> >
> > 2013/6/19 Alex Lake <alex at digitalmail.com <mailto:alex at digitalmail.com>>
> >
> >     If your CPU is averaging around 80-90%, I would consider that maxed
> out!
> >     Can you try it on a more powerful machine?
> >>     while i was doing stress test over FS, things look pretty good as
> >>     FS is able to hold 800 concurrent calls with a call loss rate at
> >>     around 0.1%, when leveling up to 1000 concurrent calls, the call
> >>     loss soars to 10-20%, i made some modification to switch.conf like
> >>
> >>     <param name="max-sessions" value="2000"/>
> >>     <param name="sessions-per-second" value="100"/>
> >>
> >>     but things didn't get any better, the host CPU usage rate is
> >>     around 80-90%, memory usage: 10%, network load 10%, so i think
> >>     there should be someway we can make FS handle more concurrent
> >>     calls, any ideas?
> >>
> >>
> >>
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