[Freeswitch-users] Scaling Question
Wasim Baig
wasim at convergence.pk
Mon Nov 3 20:59:54 PST 2008
Please check if your net interface is full duplex (ethtool should give you
this info).
We had this problem once, and spent weeks trying to identify and turned out
to be a half-duplex.
Also, see if you can offload checksum to the NIC if it'll do that.
-wasim
On Tue, Nov 4, 2008 at 8:20 AM, Eric Liedtke <e at musinghalfwit.org> wrote:
> 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
> > >
> > > FreeSWITCH http://www.freeswitch.org/
> > > ClueCon http://www.cluecon.com/
> > >
> > > AIM: anthm
> > > MSN:anthony_minessale at hotmail.com<MSN%3Aanthony_minessale at hotmail.com>
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> > > IRC: irc.freenode.net #freeswitch
> > >
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> > > iax:guest at conference.freeswitch.org/888
> > > googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
> > > pstn:213-799-1400
> >
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> >
> >
> >
> >
> > --
> > Anthony Minessale II
> >
> > FreeSWITCH http://www.freeswitch.org/
> > ClueCon http://www.cluecon.com/
> >
> > AIM: anthm
> > MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
> > GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
> > IRC: irc.freenode.net #freeswitch
> >
> > FreeSWITCH Developer Conference
> > sip:888 at conference.freeswitch.org <sip%3A888 at conference.freeswitch.org>
> > iax:guest at conference.freeswitch.org/888
> > googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
> > pstn:213-799-1400
>
> > _______________________________________________
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>
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--
wasim h. baig | principal consultant | convergence pk | +92 300 8508070 | as
you scope creep, so shall we reap ...
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