[Freeswitch-users] Freeswitch Performance

Fri Nov 22 17:12:59 MSK 2013

It didn't explictly say 'pause'... what i noticed grep-ing the log for the
uuid of a call's that had hung was that it was going through a sequence of
log messages that are usually <1ms apart and instead were ~30s apart.

-Steve

On 20 November 2013 21:56, Andre Demattia <andretodd at verizon.net> wrote:

>  I had debug turned off but I'll enable it to see if anything interesting
> happens.
> I didn't see anything that said pause.
>
> I'll also turn off odbc for the core db and use the default one to see if
> that helps. Un testing it didn't help but I'll try it in again.
>  ------------------------------
> From: Steven Ayre <steveayre at gmail.com>
> Sent: 11/20/2013 4:36 PM
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
>
> Subject: Re: [Freeswitch-users] Freeswitch Performance
>
> >
>
> > show nothing other than FreeSWITCH was receiving the new messages but no
> > bridge or cancel actions were taking place
>
>
> Do you have your logs at debug level and are there any log messages that
> indicate a call reaching a point then pausing?
>
> I saw something recently similar under load, and it turned out to be the
> limit subsystem was waiting on DB queries that were severely backing up
> because there were too many commits happening per second and InnoDB was
> configured to flush to disk on every transaction commit which can only
> happen ~200 times per second. (Switching to the memory engine fixed the
> error although isn't transactional).
>
> -Steve
>
> -Steve
>
>
> On 20 November 2013 20:38, Andre <andretodd at verizon.net> wrote:
>
> > I tested again and when I use 25 cps for 2 hours everything worked fine.
> > When I sent 50 cps I noticed FreeSWITCH worked for about 5 minutes then I
> > saw the memory jump from 122 mb to to 1.6 gb in seconds. I think
> FreeSWITCH
> > crashed but the logs show nothing other than FreeSWITCH was receiving the
> > new messages but no bridge or cancel actions were taking place.
> >
> >
> >
> > How do I tell what happened that made freeswitch just stop working? The
> > GUI didn’t show anything like a throw exception and when I type version
> or
> > sofia status in the FreeSWITCH gui it doesn’t respond.
> >
> >
> >
> > Andre
> >
> >
> >
> > *From:* freeswitch-users-bounces at lists.freeswitch.org [mailto:
> > freeswitch-users-bounces at lists.freeswitch.org] *On Behalf Of *Anthony
> > Minessale
> > *Sent:* Wednesday, November 20, 2013 12:33 AM
> > *To:* Freeswitch-users
> >
> > *Subject:* Re: [Freeswitch-users] Freeswitch Performance
>
> >
> >
> >
> > Get HEAD of stable branch or HEAD of master for latest build files.
> >
> > There is no promise windows can do 500cps the industry standard is 50 and
> > you'll have probably more luck on linux but there is only on way to fimd
> > out.
> >
> > On Nov 19, 2013 11:27 PM, "I put the Who? in Mishehu" <
> > mishehu at freeswitch.org> wrote:
> >
> > The amusing thing about the recurring load test threads that pop up every
> > now and then is that the most important tips are already documented on
> the
> > wiki in one single page.  Beyond that, you probably spend more time load
> > testing than you do just tossing up another server and using something
> like
> > kamailio or opensips to load balance...
> >
> >
> > --
> >
> > Yossi Neiman
> >
> >
> >
> >
> >
> > On 11/19/2013 06:48 PM, Antonio Teixeira wrote:
> >
> > Hello Andre.
> >
> > Solving performance problems is always hard , but a few points to keep in
> > mind :
> >
> > To my knowledge FS is pretty much a linux software , it works on windows
> > by that i doesn't means it performs on windows ( please correct me if i'm
> > wrong)
> > The native DB for FS is Postgresql ( this should make you oracle admin
> > more happy :) ).
> >
> > Try this :
> > Linux Server Realtime Kernel + Last FS Stable + Postgresql ( tune it
> well).
> > Take care with ulimit on linux , its needed for the extra punch of
> > performance
> > Check if your "performance test" is real if you are pointing to 1500CPS
> > for a two minute call you will have 180k calls before the first call gets
> > disconnected,  if you are also testing RTP that means 180k * 2 ports
> needed
> > , The Kernel will start to complaining and you will run out of ports you
> > will also run out of FD probably before you run out of ports on a not
> tuned
> > linux install.
> > If the DB is on the same server it will also  stall since the FD will not
> > be present for new connections to the back end.
> >
> > In terms of BW you will exceed 230000 kb/s add a few more kb/s for the DB
> > ( Not a problem here i think)
> >
> > Another thing , no sip server ( please include all the nice names here
> > like B2BUA , etc ) should ever queue anything.
> > I have never read the code that handles this on FS but the way i would do
> > it should be something like : can we sustain the load ? No in that case
> > send 503 else proceed.
> > This is done in freeswitch by this var
> > https://wiki.freeswitch.org/wiki/XML_Switch_Configuration#max-sessions
> >
> > A more general approach:
> > In SIp Servers you will generally ( if not running cpu intensive tasks,
> > trancoding , tone detection , etc ), consume all the ram , Network IO
> ,than
> > the cpu.
> > For the guys that plan something big you should take a look at this :
> > http://www.solarflare.com/High-Frequency-Trading
> > Not by The NIC itself but because of this :
> > http://www.openonload.org
> >
> > Without more data i don't think we can help , above all performance
> > testing is a dark art you just need to keep on trying different things
> and
> > above all have some type of monitor tool to understand what exactly is
> > holding you up , maybe its no FS...
> >
> > Also 1500CPS is something seen in  carrier operations generally with a
> > named SBC in front , keep in mind that FS is a great software but it
> > doesn't hold against SBC's that use special processors like ASIC to
> perform
> > transcoding , sip parsing , tone detection ,etc etc
> >
> >
> > Disclaimer : post written deep into the night...
> >
> > On 20/11/13 00:09, Andre wrote:
> >
> > Hi, I am testing out my FreeSWITCH  1.2.14 64 bit windows 8.1 on my
> > Alienware Laptop with a very fast SSD and I7 processor with 8 GB DDR3
> Ram.
> >
> >
> >
> > I have been using a pjsip test tool to test FreeSWITCH to see how it
> > performs. Tell me if I’m wrong here, I believe if I sent “too many” calls
> > to FreeSWITCH  that it queues up the calls and sooner or later uses all
> the
> > memory on my PC then just stops working.  I do have the CPS sent to 1500
> > for testing but I never hit that high, I hit about 200 CPS.
> >
> >
> >
> > The CDRs that save to my database show it takes about 8 seconds from
> start
> > time to end time. It does start out only taking milliseconds then it
> > progresses to the 8 second mark.
> >
> >
> >
> > The calls are just going to FreeSWITCH then I’m sending back a 503.
> >
> >
> >
> > I have every mod turned off, logging set to 0, Core db going to a SQL
> > Server and I even set FreeSWITCH to real time.
> >
> >
> >
> > Can anyone give me advise on what I can do to get better performance?
> > I’ve also tested it out on my real server but in about 3 minutes of 50
> cps
> > FreeSWITCH uses up 3gb of memory and stops responding.
> >
> >
> >
> > I’m at a loss here on what else to do.
> >
> > Andre
> >
> >
> >
> > _________________________________________________________________________
> >
> > Professional FreeSWITCH Consulting Services:
> >
> > consulting at freeswitch.org
> >
> > http://www.freeswitchsolutions.com
> >
> >
> >
> > 
> >
> > 
> >
> >
> >
> > Official FreeSWITCH Sites
> >
> > http://www.freeswitch.org
> >
> > http://wiki.freeswitch.org
> >
> > http://www.cluecon.com
> >
> >
> >
> > FreeSWITCH-users mailing list
> >
> > FreeSWITCH-users at lists.freeswitch.org
> >
> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> >
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> >
> > http://www.freeswitch.org
> >
> >
> >
> > _________________________________________________________________________
> >
> > Professional FreeSWITCH Consulting Services:
> >
> > consulting at freeswitch.org
> >
> > http://www.freeswitchsolutions.com
> >
> >
> >
> > 
> >
> > 
> >
> >
> >
> > Official FreeSWITCH Sites
> >
> > http://www.freeswitch.org
> >
> > http://wiki.freeswitch.org
> >
> > http://www.cluecon.com
> >
> >
> >
> > FreeSWITCH-users mailing list
> >
> > FreeSWITCH-users at lists.freeswitch.org
> >
> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>
> [The entire original message is not included.]
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://wiki.freeswitch.org
> http://www.cluecon.com
>
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