Thanks for your reply Brian.

Does RTP only have a single thread? Is it identifiable somehow? The 100 (120%, really) thread is likely the RTP thread then. In fact, after an strace on the thread and its forks it seems to be the case.

Presence is disabled and I'm receiving about 20 SIP messages per second combined on all profiles. Not quite getting the extensive processing time.

Regards,

Örn

On Mon, Apr 3, 2017 at 4:49 PM, Brian West <brian@freeswitch.org> wrote:

RTP already has its own thread,  The signaling thread in Sofia is the only bottle neck, Sounds like your presence or registration traffic is clogging up your system.

/b

On Mon, Apr 3, 2017 at 11:42 AM, Örn Arnarson <orn@arnarson.net> wrote:

Hello FS users,

I'm running a FS server with 8 CPU cores and around 3000 users, ~50 concurrent calls.

FS is proxying the media.

I'm running into about a 1-1.5 second delay when forwarding SIP responses back to the UAC (200 OK for example).

It seems that almost all of the processing is being done by one CPU core, while the other 7 sit idle.

I found this on the old wiki:

libsofia only handles 1 thread per profile, so if that is your bottle neck use more profiles

There's no mention of this on the new one. Has this changed at all?

In any case, I'm assuming that SIP and RTP co-exist on the thread, seeing as I don't have that many SIP requests per second, and yet it is taking more than 1 second to forward the requests.

I guess my question is; Is it possible to offload the RTP handling off to different cores somehow? Or force FreeSWITCH to use more than one thread per sofia profile?

Regards,

Örn

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