> Date: Wed, 17 Jun 2015 11:21:06 -0400
> From: abalashov@evaristesys.com
> To: sr-users@lists.sip-router.org
> Subject: Re: [SR-Users] Performance Tests/Hard Recommendations kamailio 4.2 -200CPS
>
> In a purely hard-coded configuration, without external lookups or other
> sources of I/O-wait, Kamailio has been shown to handle several tens of
> thousands of CPS. By the time you hit 20k-30k CPS, you start to run into
> hardware, scheduler and kernel-side limits that need tweaking.
>
> The actually-existing, real-world throughput of a Kamailio installation
> is limited by the fact that static configurations aren't very useful for
> all but the simplest implementations. Most nontrivial applications of
> Kamailio involve calling out to a database, API or something of that
> nature at least once during the call processing cycle. Waiting on a
> response from that source is a synchronous process, and thus blocks
> Kamailio's (architecturally) limited number of SIP receiver threads.
>
> But even with such limitations in mind, you should still be able to get
> 200 CPS easily in all but the most exceptionally poorly-designed
> implementation. 200 CPS isn't very much.
>
> -- Alex
>
> P.S. We specialise in getting thousands of CPS out of Kamailio while
> still doing _lots_ of SQL queries for routing.
>
> On 06/17/2015 11:17 AM, Jonathan Hunter wrote:
>
> > Hi Guys,
> >
> > Has anyone recently performed tests on kamailio 4.2 running up to 200 CPS?
> >
> > It would be great to know the hardware requirements for this setup.
> >
> > Thanks
> >
> > Jon
> >
> >
> > _______________________________________________
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> >
>
>
> --
> Alex Balashov | Principal | Evariste Systems LLC
> 303 Perimeter Center North, Suite 300
> Atlanta, GA 30346
> United States
>
> Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct)
> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/
>
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