[Freeswitch-users] Scaling Question

Eric Liedtke e at musinghalfwit.org
Mon Nov 3 19:20:55 PST 2008


I'm running the 1.0.1-phoenix release.
No debug because our admin built the debian packages to install with so
dh_strip got em.
It's running on an ubuntu 8.04 server. 
I certainly can. I will let you know how it goes.

-e

It's seems fuzzy now but I think on Mon, Nov 03, 2008 at 08:57:01PM -0600 , Anthony Minessale said:
> What revision are you on because the line numbers of those errors don't match
> up even slightly close?
> Did you do something to disable building with debug symbols because the current
> default is to build with them?
> What platform are you on?
> 
> Could you try a clean build of the latest revision?
> 
> 
> On Mon, Nov 3, 2008 at 5:43 PM, Eric Liedtke <e at musinghalfwit.org> wrote:
> 
>     Yessir. I am using the exact same ulimits below. I also increased the
>     sessions per second to 50 and max-sessions to 5000. Also as we are
>     moving into a high traffic period based on time of day. I've had it die
>     repeatedly on me, the following line was the last line printed ...
> 
>     freeswitch: nua_stack.c:2396: nua_client_restart_request: Assertion
>     `nua_client_is_queued(cr)' failed.
> 
>     this is the other last line I get if the system itself seems to be
>     overloaded
> 
>     freeswitch: sofia.c:2138: sofia_handle_sip_i_state: Assertion
>     `tech_pvt->nh != ((void *)0)' failed.
> 
>     I don't know if that is of any help or not. At the time I was seeing
>     approx 80-90 calls per sec hitting the server, based on the 'status'
>     command in the FS cli.
> 
>     I don't have this built with debug symbols either at the moment. I
>     wanted to get a baseline of server with x can do y , based on how we use
>     it. I will likely get it rebuilt and find a way to reduce some of the
>     traffic load so I can effectively tshoot.
> 
>     -e
> 
>     It's seems fuzzy now but I think on Mon, Nov 03, 2008 at 05:19:42PM -0600 ,
>     Anthony Minessale said:
>     > Did you increase the artificial limits in switch.conf.xml ?
>     >
>     > try these uimits
>     >
>     > ulimit -c unlimited
>     > ulimit -d unlimited
>     > ulimit -f unlimited
>     > ulimit -i unlimited
>     > ulimit -n 999999
>     > ulimit -q unlimited
>     >
>     > ulimit -u unlimited
>     > ulimit -v unlimited
>     > ulimit -x unlimited
>     > ulimit -s 244
>     > ulimit -l unlimited
>     >
>     >
>     >
>     >
>     > On Mon, Nov 3, 2008 at 4:46 PM, Eric Liedtke <e at musinghalfwit.org> wrote:
>     >
>     >     Greetings,
>     >
>     >     I'm working on a server in an SBC setup. It has a copper 10/100 for
>     >     admin and 2 GiGe connections for private/public peering(SIP signaling
>     >     and media). I've been testing with some traffic and am finding I hit
>     a
>     >     ceiling around 800-900 active calls. The system CPU ends up being
>     about
>     >     40% which seemed really high to me. Is this simply due to the amount
>     of
>     >     networking happening with the rtp in and out the different interfaces
>     or am
>     >     I
>     >     operating something in a non optimized fasion ?
>     >
>     >     It's an e1000 based card, I've tried messing around with the
>     interrupt
>     >     throttling but in the end the dynamic setting seemed to work best.
>     Given
>     >     that a chassis has done 3k simultaneous calls with about half the
>     >     processing power I currently have in this server I must be running
>     sub
>     >     optimal.
>     >
>     >     Any idea's of where I might look to correct this ? kernel tuning ?
>     >     network tuning ? Other than seeing a lot of irq's from the network
>     cards
>     >     I"m not sure what else might be using up the system cpu.
>     >
>     >     To squeeze out as much as possible I have the core databases housed
>     in a
>     >     tmpfs partiion, and I've also disabled the sql scoreboard (-nosql).
>     Any
>     >     other areas I should  be exploring to increase the number of calls
>     this
>     >     chassis can process ?
>     >
>     >     Thanks in advance for any ideas
>     >
>     >     -Eric
>     >
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>     >
>     > --
>     > Anthony Minessale II
>     >
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> 
> 
> --
> Anthony Minessale II
> 
> FreeSWITCH http://www.freeswitch.org/
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