[Freeswitch-users] FS stress test issue

[S. Scott]

Vincent,

I concur with quality lan card advice, namely intel. Also, what is
your system's "clocksource0" -- both available and current.

Cheers,

—————
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must be a pony in here somewhere.”

On 2013-06-19, at 23:35, William King <william.king at quentustech.com> wrote:

> 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
> Cell:   (253) 686-5518
> 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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